Empa, UNIGE team develop prototype solid-state sodium battery; focus on improving the solid-solid interface

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Researchers at Empa and the University of Geneva (UNIGE) have developed a prototype of a novel solid-state sodium battery with the potential to store extra energy and with improved safety. The closo-borate sodium superionic conductor—Na 2 (B 12 H 12 ) 0.5 (B

2017 89

Stanford team develops sodium-ion battery with performance equivalent to Li-ion, but at much lower cost

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Stanford researchers have developed a sodium-ion battery (SIB) that can store the same amount of energy as a state-of-the-art lithium ion, at substantially lower cost. As reported in a paper in Nature Energy , the Stanford team achieved four-sodium storage in a Na 2 C 6 O 6 electrode with a reversible capacity of 484 mAh g −1 , an energy density of 726 Wh kg −1 cathode , an energy efficiency above 87% and a good cycle retention.

2017 69

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New hierarchical metal-organic nanocomposite cathode for high-energy sodium-ion batteries

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Building on earlier work, researchers in China have fabricated a hierarchical metal-organic nanocomposite for use as a cathode in sodium-ion batteries (SIBs). Recently, room temperature sodium-ion batteries (SIBs) have received tremendous attention for electrochemical energy storage applications owing to their low cost and the abundant resource of sodium compared with lithium.

2017 70

New high-power, high-capacity, long-life sodium battery

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A team from the Max Planck Institute for Solid State Research in Stuttgart and the University of Science and Technology of China, Hefei, has developed a high-power, high-capacity sodium battery with 96% capacity retention after 2,000 cycles. The researchers combined sodium vanadium triphosphate (Na 3 V 2 (PO 4 ) 3 ) with a mixture of reduced graphene oxide and carbon nanotubes to improve the sodium compound’s conductivity.

UT Austin team identifies promising new cathode material for sodium-ion batteries: eldfellite

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Sodium-ion intercalation batteries—i.e., However, sodium-ion batteries face issues related to performance, weight and instability of materials. Sodium ion intercalation and storage is challenging because Na ions are about 70% larger in radius than Li ions.

PNNL team develops sodium-manganese oxide electrodes for sodium-ion rechargeable batteries

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Sodium is seen by some as a promising alternative, but the sodium-sulfur batteries currently in use run at temperatures above 300 °C, making them less energy efficient and safe than batteries that run at ambient temperatures. Sodium.

New high energy, highly stable cathode for sodium-ion batteries

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F 0.7 , for sodium-ion (Na-ion) batteries (NIBs). —can function as an excellent cathode for rechargeable sodium-ion batteries with a high energy density. Ragone plot for the new Na 1.5 VPO 4.8 cathode and other cathode materials for NIBs. Credit: ACS, Park et al. Click to enlarge.

New heterogeneous acid catalyst shows high activity in release of hydrogen from sodium borohydride; lowest activation energy yet reported

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A team from the Indian Institute of Technology Bombay has devised a heterogeneous acid catalyst, silica sulfuric acid, that shows high activity towards releasing hydrogen from sodium borohydride (NaBH 4 ), with a hydrolysis rate of 5.5 When NaBH 4 is suspended in an aqueous solution and then passed over a catalyst, the reaction produces hydrogen, along with a benign byproduct—sodium metaborate—that can be recycled back into sodium borohydride.

2014 89

BASF investigating sodium-air batteries as alternative to Li-air; patent application filed with USPTO

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In a paper in Nature Materials , a team of researchers from BASF SE and Justus-Liebig-Universität Gießen report on the performance of a sodium-air (sodium superoxide) cell. M solution of sodium triflate salt (NaSO 3 CF 3 ) in diethylene glycol dimethyl ether (DEGDME).

French researchers develop sodium-ion battery in 18650 format; performance comparable to Li-ion

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Researchers within the RS2E network on electrochemical energy storage (Réseau sur le stockage électrochimique de l’énergie) in France have developed the first sodium-ion battery in an 18650 format. In six months, CEA was able to develop the first sodium-ion prototype in the 18650 form—i.e.

2015 78

Researchers significantly improve H2 storage properties of sodium aluminium hydride by doping with 2D titanium carbide

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A team at Zhejiang University in China has significantly enhanced the hydrogen storage properties of sodium aluminum hydride (NaAlH 4 ) by doping it with a 2D titanium carbide (Ti 3 C2) MXene. MXenes” are exfoliated 2D carbide and carbonitride nanosheets that are structurally similar to graphene, where M represents transition metals, and X is either C or/and N, earlier post ).

2016 65

GE Launches Durathon Sodium-Metal Halide Battery for UPS Market

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GE Energy Storage Technologies, a unit of GE Transportation, introduced its Durathon sodium-metal halide battery ( earlier post ) for critical backup power. Sodium-metal halide cell basic chemistry. Durathon technology uses a patented sodium halide chemistry.

U Waterloo team identifies key reaction in sodium-air batteries; implications for improving Li-air

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Chemists at the University of Waterloo have identified the key reaction that takes place in sodium-air batteries. The researchers from the Waterloo Institute for Nanotechnology, led by Professor Linda Nazar who holds the Canada Research Chair in Solid State Energy Materials, have described a key mediation pathway that explains why sodium-oxygen batteries are more energy efficient when compared with their lithium-oxygen counterparts.

2015 65

U Alberta team develops hybrid sodium-ion capacitor; intermediate in energy & power between ultracaps and batteries

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A team led by researchers from the University of Alberta (Canada) Scientists has developed a hybrid sodium-ion capacitor (NIC) using active materials in both the anode and the cathode derived entirely from peanut shells—a green and highly economical waste globally generated at more than 6 million tons per year.

Iowa State/Ames Lab researcher receives $3M from ARPA-E for solid-state sodium battery

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The Advanced Research Projects Agency - Energy (ARPA-E) has awarded $3 million from its 2015 OPEN funding to a project to develop an all-solid-state sodium battery. A sodium-based battery, on the other hand, has the potential to store larger amounts of electrical energy at a significantly lower cost. And, nearly all countries have access to large amounts of sodium.

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New liquid alloy electrode significantly lowers operating temperature of sodium-beta batteries; improved performance

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Researchers at Pacific Northwest National Laboratory (PNNL) have devised an alloying strategy that enables sodium-beta batteries to operate at significantly lower temperatures. The new electrode enables sodium-beta batteries to last longer, helps streamline their manufacturing process and reduces the risk of accidental fire. The traditional design of sodium-beta batteries consists of two electrodes separated by a solid membrane made of the ceramic material beta alumina.

GE to expand sodium-halide battery plant with $70M investment

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GE will invest an additional $70 million to expand its sodium-halide battery manufacturing plant in New York, which is part of the company’s new Energy Storage business. The structure of a sodium-metal halide cell consists of a conductive Ni network, molten salt electrolyte, metal current collector, carbon felt electrolyte reservoir, and the active sodium-metal halide salts.

Ceramatec licensing molten sodium technology for heavy oil upgrading; removing the need for diluent for bitumen

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Flowchart of Molten Sodium Upgrading process. A new company, Field Upgrading (Calgary, Alberta), has been formed dedicated to developing and commercializing the Molten Sodium Upgrading (MSU) technology. Sodium is less costly and more readily available compared to lithium.

Researchers improve the performance of sodium-ion batteries by using tailored carbon anodes with hierarchical porosity

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Researchers at Justus Liebig University, Giessen, Germany, have improved the performance of sodium-ion batteries ( earlier post ) by using tailor-made carbon materials with hierarchical porosity for the anode instead of common carbon-based anode materials.

Sodium-ion energy storage in nanocellular carbon foams shows high capacity and rate retention; not an intercalation battery

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Researchers at Pacific Northwest National Laboratory (PNNL) report in a paper in the ACS journal Nano Letters on high-capacity, high-rate sodium-ion (Na-ion) energy storage in functionalized high-surface-area nanocellular carbon foams (NCCF). Sodium-ion intercalation batteries—i.e.,

2013 78

PG&E, Calif. Energy Commission launch 4MW sodium-sulfur grid storage pilot in San Jose

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Pacific Gas and Electric Company (PG&E) and the California Energy Commission today unveiled a utility-scale sodium-sulfur battery energy storage system ( earlier post ) pilot project to better balance power needs of the electric grid. NGK Insulators ( earlier post ) is the manufacturer of the sodium sulfur (NaS) battery system which includes the battery modules and control system for managing DC input/output and other parameters for maximizing module longevity.

Yissum offering novel high-performance anode for sodium-ion batteries; antimony sulphide nanoparticle-coated graphene

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Sodium-ion batteries (Na-ion, NIBs) are seen as an alternative to lithium-ion batteries for large-scale applications due to their lower cost and abundant supply of sodium. Yissum , the Research and Development Company of the Hebrew University of Jerusalem, is offering a novel anode for sodium-ion batteries (Na-ion, NIB) which enables the production of a battery with high capacity, excellent rate capability and good cycle performance.

PATHION develops new LiRAP-based solid-state electrolytes for Li-sulfur and sodium-ion batteries

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PATHION is working on a derivative for Li-sulfur batteries as well as a derivative that could be applied in a sodium-ion battery. The second presentation described the use of a solid electrolyte in a sodium-ion battery cell. At the Spring 2015 Materials Research Conference in San Francisco earlier this month, PATHION presented two new derivative superionic solid-state electrolytes built upon LiRAP (Lithium-Rich Anti-Perovskite).

2015 60

EaglePicher receives follow-on $3M award from ARPA-E to continue work on planar sodium-beta batteries

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Under their continued work with ARPA-E, EaglePicher will focus its research on improving scalability for their Sodium-Beta (Na-β) battery by developing an inexpensive stacked design to improve integration in renewable and grid storage applications.

2014 78

SiGNa Chemistry Demonstrates Sodium Silicate-Based Hydrogen Generation System for Portable Fuel Cells

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Prototype sodium silicate hydrogen generation system as presented earlier this year at DOE merit review. The H300 utilizes real-time swappable cartridges that generate hydrogen on demand using SiGNa’s proprietary sodium silicide (NaSi) powder.

Amorphous titanium dioxide nanotube anodes for sodium-ion batteries show ability to self-improve specific capacity

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A team of researchers at the US Department of Energy’s Argonne National Laboratory has synthesized amorphous titanium dioxide nanotube (TiO 2 NT) electrodes directly grown on current collectors without binders and additives to use as an anode for sodium-ion batteries.

Faradion Electric Bike: Prototype Powered By Sodium-Ion Batteries

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Lithium-ion battery cells are currently dominant in electric cars and energy storage, but researchers are constantly looking to improve on them. The need to increase the amount of electricity a battery can store, decrease charging times, and lower costs is driving experimentation with other battery chemistries. Now, one British firm has found a. Batteries bicycle research plug-in cars British

BC Hydro and SC Electric Company partner on sodium-sulfur battery energy storage project

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BC Hydro has selected S&C Electric Company, a renewable energy integration company, for a sodium-sulfur (NaS) battery energy storage project intended to improve service reliability for a remote mountain community in British Columbia. This turnkey system will integrate the sodium-sulfur batteries on to the grid seamlessly, allowing the batteries to support a portion of the peak load depending on demand.

NGK Insulators recalling sodium-sulfur batteries to make safety modifications; resuming production later this year

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Following an investigation into the cause of a sodium-sulfur battery fire on 21 September 2011 at Mitsubishi Materials Corp.’s will begin collecting its existing sodium-sulfur (NaS) batteries from customers to make safety modifications. s Tsukuba, NGK Insulators Ltd. In the aftermath of the fire, NGK had ceased production of the NaS batteries.

RAL proposes new efficient and low-cost process to crack ammonia for hydrogen using sodium amide; transportation applications

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RAL researchers are proposing a new process for the decomposition of ammonia to release hydrogen that involves the stoichiometric decomposition and formation of sodium amide from Na metal. The new process decomposes ammonia using the concurrent stoichiometric decomposition and regeneration of sodium amide (NaNH 2 ) via sodium metal (Na); this is a significant departure in reaction mechanism compared with traditional surface catalysts.

2014 60

Univ. of Maryland team develops promising sodium-ion cathode material: FePO4/nanotube composite

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Researchers at the University of Maryland have developed a nanocomposite material of amorphous, porous FePO 4 nanoparticles electrically wired by single-wall carbon nanotubes as a potential cathode material for sodium-ion batteries (SIBs). Recently, sodium ion batteries (SIBs) have drawn increasing attention from researchers, despite the fact that lithium ion batteries (LIBs) are still the predominant power source for home electronics and for future large-scale energy storage devices.

GE testing sodium halide battery/Li-ion battery/fuel cell hybrid system for transit bus

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GE’s ecomagination.com publication reports that GE engineers have begun testing a transit bus equipped with a new hybrid energy system integrating GE’s Durathon sodium-halide battery ( earlier post ), a lithium-ion battery and a hydrogen fuel cell. GE has been exploring ways to synergize the benefits of its sodium-halide Durathon technology, which can store a large quantity of energy but isn’t optimized for power, with power-optimized lithium batteries and hydrogen fuel cells.

GE posts $63M in orders for Durathon sodium-halide battery systems

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GE’s Energy Storage business announced $63 million in new Durathon sodium-halide battery orders since the business launched in July. GE’s Durathon battery technology works by employing sodium chemistry to capture excess energy from the diesel fuel generators. Earlier post.) In its first weeks of operation, the business secured 10 new telecom customer orders across several regions, including Africa, Asia, India and the US powering a total of more than 3,500 cell towers.

GE to Open Sodium-Metal Halide Battery Plant in New York

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GE Chairman and CEO Jeff Immelt shows a sodium-metal halide battery cell at the press conference announcing the battery plant. Sodium batteries are just the opposite….

Researchers find tin nanoparticles promising electrode material for sodium-ion batteries

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Tin (Sn) shows promise as a robust electrode material for rechargeable sodium-ion (Na-ion) batteries, according to a new study by a team from the University of Pittsburgh and Sandia National Laboratory. reversible and rapid ion insertion and extraction, but using sodium ions rather than lithium. Mao, and Jian Yu Huang (2012) Microstructural Evolution of Tin Nanoparticles during In Situ Sodium Insertion and Extraction.

Hollow carbon nanowires show high capacity and cycle life as anodes for sodium-ion batteries; insight into Na-ion insertion-extraction mechanism

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The researchers attributed the good sodium-ion insertion properties to the short diffusion distance in the HCNWs and the large interlayer distance (0.37 They investigated sodium ion insertion?extraction Discharge capacity of the HCNW electrode as a function of charge?discharge

2012 84

TU Mnchen Investigates GE Sodium/Iron Chloride Batteries for Hybrid Locomotives

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Scientists at the research neutron source FRM II of the Technische Universität München (TUM) are taking a closer look at a high performance rechargeable battery for future hybrid locomotives, the sodium/iron chloride battery manufactured by General Electric (GE). Making use of radiography, the scientists were able to visualize the level of sodium in the unopened battery.

UK’s Network Rail developing a prototype battery-powered train; trying Li-ion and sodium-nickel batteries

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This train will be adapted by Bombardier and fitted with two different forms of batteries: lithium (iron magnesium) phosphate and hot sodium nickel salt. The UK’s Network Rail, the company that runs, maintains and develops Britain’s rail tracks, signaling, bridges, tunnels, level crossings, viaducts and 17 key stations, is part of an industry study into the feasibility of using battery electric trains on parts of the railway which have not been electrified.

2013 60

Planar Sodium Nickel Chloride Batteries Could Deliver 30% More Power at Lower Temperatures Than Conventional Cylindrical Versions

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Schematic of a sodium-nickel chloride cell with planar design. A planar (flat) sodium-nickel chloride battery could deliver 30% more power at lower temperatures than the typical cylindrical design, according to researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL). Sodium-beta batteries have been around since the 1960s. The sodium ions diffuse exclusively within the conduction layers perpendicular to the c axis.

Xcel Terms First Phase of Sodium-Sulfur Battery Wind Energy Storage Test Project Successful

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In October 2008, Xcel began testing a one-megawatt sodium-sulfur (NaS) battery ( earlier post ) to demonstrate its ability to store wind energy and move it to the electricity grid when needed. The sodium-sulfur battery is commercially available and versions of this technology are in use elsewhere in the US and other parts of the world, but this is the first US application of the battery as a direct wind energy storage device.