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

Green Car Congress

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. With a NaCrO 2 cathode, closo-borate solid electrolyte and metallic sodium anode, the cell demonstrated reversible and stable cycling with a capacity of 85 mAh g -1 at C/20 and 80 mAh g -1 at C/5 with more than 90% capacity retention after 20 cycles at C/20 and 85% after 250 cycles at C/5.

2017 174

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

Green Car Congress

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 174
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

Researchers develop rechargeable hybrid-seawater fuel cell; highly energy density, stable cycling

Green Car Congress

The circulating seawater in the open-cathode system results in a continuous supply of sodium ions, endowing the system with superior cycling stability that allows the application of various alternative anodes to sodium metal by compensating for irreversible charge losses. Sodium can serve as an alternative to lithium in rechargeable batteries as the reversible storage mechanisms for sodium ions are very similar (e.g.,

2014 236

UT Austin team devises new strategy for safe, low-cost, all-solid-state rechargeable Na or Li batteries suited for EVs

Green Car Congress

John Goodenough, known around the world for his pioneering work that led to the invention of the rechargeable lithium-ion battery, have devised a new strategy for a safe, low-cost, all-solid-state rechargeable sodium or lithium battery cell that has the required energy density and cycle life for a battery that powers an all-electric road vehicle. Murchison and John B Goodenough (2016) “Alternative Strategy for a Safe Rechargeable Battery” Energy Environ.

2016 237

Univ. of Texas researchers propose lithium- or sodium-water batteries as next generation of high-capacity battery technology; applicable for EVs and grid storage

Green Car Congress

Example of a lithium-water rechargeable battery. Researchers at the University of Texas, including Dr. John Goodenough, are proposing a strategy for high-capacity next-generation alkali (lithium or sodium)-ion batteries using water-soluble redox couples as the cathode. The present sodium-sulfur battery operates above 300 °C. A = lithium or sodium (Li or Na), M represents a metal and 1 ≤ n < z. Also, sodium rather than lithium might be used as the anode.

2011 191

Carnegie Mellon researchers develop semi-liquid lithium metal anode for use with solid electrolytes

Green Car Congress

Solid electrolytes are considered to be key components for next-generation lithium metal-based rechargeable batteries. The method used in this work has great potential for building reliable alkaline metal-based rechargeable batteries. However, researchers have found that the contact between the ceramic electrolyte and a solid lithium anode is insufficient for storing and supplying the amount of power needed for most electronics.

2019 216

Researchers devise electrode architectures to prevent dendrite formation in solid-state batteries

Green Car Congress

So far, the current densities that have been achieved in experimental solid-state batteries have been far short of what would be needed for a practical commercial rechargeable battery. But the promise is worth pursuing, says MIT Professor Yet-Ming Chiang, because the amount of energy that can be stored in experimental versions of such cells is already nearly double that of conventional lithium-ion batteries.

MIT 179

BASF announces winners of the open innovation contest on energy storage

Green Car Congress

A novel rechargeable zinc battery from the research group of Professors Paul Wright and James Evans from the University of California, Berkeley. The research group of Professor Xiangwu Zhang from North Carolina State University presents the concept of high-performance sodium-ion batteries that applies special electrode preparation methods. Sustainable technologies should make it possible to store power from the grid and feed power back into it.

2015 150

Researchers demonstrate concept desalination battery

Green Car Congress

A team from Stanford University and Ruhr-Universität Bochum have demonstrated the novel concept of a “desalination battery” that uses an electrical energy input to extract sodium and chloride ions from seawater and to generate fresh water. A four-step charge/discharge process allows the electrodes to separate seawater into fresh water and brine streams: Fully charged electrodes, which do not contain mobile sodium or chloride ions when charged, are immersed in seawater.

2012 210

Industry study finds lead-acid to remain most wide-spread automotive energy storage for foreseeable future; new chemistries continue to grow

Green Car Congress

With regard to overall storage capability and potential for further fuel efficiency improvements, the demand for larger battery systems based on lithium, nickel and sodium will continue to grow through the increased market penetration of vehicles with higher levels of hybridization and electrification. In full-hybrid vehicles, the stored energy is also used for a certain range of electric driving. Sodium-nickel chloride batteries.

2014 251

Sigma-Aldrich and Ilika Technologies collaborate to scale-up and commercialize boron hydride hydrogen-storage materials

Green Car Congress

To be economically viable, the target weight percentage of hydrogen stored in such a material has been set at 6% by the US Department of Energy. weight% of hydrogen; the hydride materials being verified and scaled-up by Aldrich Materials Science can potentially store up to 10 weight% of hydrogen, reversibly, the company says. Ilika’s storage solution is a solid metal hydride, which exists as a powder stored in a cylinder at moderate pressure and stable at room temperature.

2011 179

OSU smart membrane could enable new category of high-energy, high-power energy storage for EVs

Green Car Congress

Described in a paper published in the RSC journal Energy & Environmental Science , the smart membrane separator could enable the design of a new category of rechargeable/refillable energy storage devices with high energy density and specific power that would overcome the contemporary limitations of electric vehicles. The scientific challenges in designing rechargeable batteries with high GED, SP and high MPMs can be understood from the mechanics of charge storage in electrode materials.

2016 150

Mitsubishi and Tokyo Institute of Technology Developing EV Smart Charging from Wind Turbines

Green Car Congress

In order to store electricity generated at night, windmill operators need to install sodium-sulfur battery systems, which are as costly as power generators. It collects data both on power generation and electric vehicle recharging. Nikkei. Mitsubishi Corp. and the Tokyo Institute of Technology are developing a smart charging system to exploit wind power produced at night to charge electric vehicles.

2010 161

MIT and Moscow State collaborating on advanced batteries, metal-air batteries and reversible fuel/electrolysis cells

Green Car Congress

CEES has three main research thrusts: the development of advanced lithium-ion and multivalent ion batteries; the development of rechargeable metal-air batteries; and Development of reversible low and elevated temperature fuel cells. This allows storage of charge at a higher volumetric or gravimetric density, which translates to a higher stored energy density or storage capacity for a given size or weight. Rechargeable metal-air batteries.

2015 214

Sadoway and MIT team demonstrate calcium-metal-based liquid metal battery

Green Car Congress

MIT professor Donald Sadoway and his team have demonstrated a long-cycle-life calcium-metal-based liquid-metal rechargeable battery for grid-scale energy storage, overcoming the problems that have precluded the use of the element: its high melting temperature, high reactivity and unfavorably high solubility in molten salts.

2016 150

European automotive and automotive battery industries call for extension of the exemption of lead-based batteries from the EU ELV Directive

Green Car Congress

All hybrid, plug-in hybrid and full electric vehicles equipped with high-voltage, advanced rechargeable battery systems also utilize a second electrical system on 12V level for controls, comfort features, redundancy and safety features. Hybrid vehicles, including advanced micro-hybrid, mild-hybrid and full-hybrid vehicles rely on the battery to play a more active role, with the energy stored from braking used to boost the vehicle’s acceleration.

2014 170

CO2-neutral hydrogen storage with a bicarbonate/formate system

Green Car Congress

Metal hydride tanks store hydrogen in a relatively manageable volume but are very heavy and expensive, as well as operating only at high temperatures or far too slowly. The nontoxic aqueous solution of formate is easily stored and transported. Most importantly, after full conversion of the formate, the bicarbonate solution may be recharged with hydrogen to close the cycle. to sodium formate in 96% yield at 70 °C in water/THF without additional CO 2.

2011 185

Top 5 Promising Technological Developments In The Electric Vehicle Sector

Get Electric Vehicle

Along with sodium-based alternatives, could soon supplant the seemingly obsolete lithium-ion battery. #2. Having a good infrastructure for recharging electric cars very important to increase electric vehicle mobility globally.

Solar 52

MIT-led team devises new approach to designing solid ion conductors; implications for high-energy solid-state batteries

Green Car Congress

Researchers led by a team from MIT, with colleagues from Oak Ridge National Laboratory (ORNL), BMW Group, and Tokyo Institute of Technology have developed a fundamentally new approach to alter ion mobility and stability against oxidation of lithium ion conductors—a key component of rechargeable batteries—using lattice dynamics.

2018 163

Researchers Develop Lithium-Water Electrochemical Cell for the Controlled Generation of H2 and Electricity

Green Car Congress

Although direct chemical reactions between water and certain metals—alkali metals including lithium, sodium and others—can produce a large amount of hydrogen in a short time, these reactions are too intense to be controlled. the high-school chemistry demonstration of the violent reaction between sodium and water.). In other words, energy from the sun can be “stored” in the metal, and then be used on demand by reacting the lithium in the fuel cell.

2010 170

Researchers call for integration of materials sustainability into battery research; the need for in situ monitoring

Green Car Congress

In a review paper in the journal Nature Materials , Jean-Marie Tarascon (Professor at College de France and Director of RS2E, French Network on Electrochemical Energy Storage) and Clare Gray (Professor at the University of Cambridge), call for integrating the sustainability of battery materials into the R&D efforts to improve rechargeable batteries. Schematics of different rechargeable batteries.

2017 150

Sulfur–TiO2 yolk-shell cathode for Li-sulfur battery shows best long-cycle performance so far

Green Car Congress

To prepare the material, the team reacted sodium thiosulfate with hydrochloric acid to create monodisperse sulfur nanoparticles (NPs); these NPs were then coated with TiO 2 , resulting in the formation of sulfur–TiO 2 core–shell nanoparticles. The sulfur cathode stored up to five times more energy per sulfur weight than today’s commercial materials. This is a very important achievement for the future of rechargeable batteries.

2013 200

ARPA-E awards $43M to 19 energy storage projects to advance electric vehicle and grid technologies

Green Car Congress

This latest round of ARPA-E projects seek to address the remaining challenges in energy storage technologies, which could revolutionize the way Americans store and use energy in electric vehicles, the grid and beyond, while also potentially improving the access to energy for the US. Advanced Sodium Battery. MSRI will design advanced sodium battery membranes that. Rechargeable Multivalent Batteries from Common Metals.

2012 249

NYSERDA Commits $8M to Develop and Commercialize 19 New York Battery and Energy-Storage Technology Projects

Green Car Congress

GE is developing improvements to its sodium metal halide batteries for use in a new generation of cleaner locomotives and stationary applications to smooth intermittent renewable power generation as it interconnects with the grid and critical load back-up power and other applications. Next-generation lithium-ion rechargeable batteries.

2010 191

DOE Awarding $620M for Smart Grid Demonstration and Energy Storage Projects

Green Car Congress

This new class of advanced lithium-ion rechargeable battery will demonstrate the substantial improvements offered by solid state lithium-ion technologies for energy density, battery life, safety, and cost. The 1 MW/4hr system will store potential energy in the form of compressed air in above-ground industrial pressure facilities. Demonstration of Sodium Ion Battery for Grid Level Applications.

2009 229