Researchers in China, US develop binder-free high-silicon-content flexible anode for Li-ion batteries

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A team from Zhejiang A&F University, Huazhong University of Science and Technology (HUST), and Stanford University have developed a binder-free, flexible, and free-standing electrode comprising an unprecedented 92% silicon content for Li-ion batteries. 1 (Li 15 Si 4 ).

2019 90

ANL researchers report photo-excitation can speed up Li-ion charging by factor of two

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Researchers at the US Department of Energy’s (DOE) Argonne National Laboratory have reported that a new photo-excitation mechanism can speed up the charging of lithium-ion batteries by a factor of two or more. The principle of a photo-accelerated lithium-ion battery cell.

2019 124

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LG Chem invests in Enevate; silicon-dominant Li-ion battery technology

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Introduced in November 2017, Enevate’s HD-Energy Technology for EVs enables Lithium-ion (Li-ion) cells with up to 50% higher capacity than conventional graphite cells.

2018 135

Novel solid-phase transformation enables high-energy Li-S batteries in conventional Li-ion electrolyte

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Researchers from Western University, Canadian Light Source, and the Chinese Academy of Sciences have proposed a novel solid-phase Li-S transformation mechanism that enables high energy Li-S batteries in conventional Li-ion carbonate electrolytes. Li et al.

2018 112

Lithium Australia produces LFP cathode material and Li-ion batteries from mine waste

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Lithium Australia NL reported that its wholly owned subsidiary VSPC Ltd has successfully produced Li-ion battery cathode material, and Li-ion batteries (LIBs), from tri-lithium phosphate produced directly from mine waste using the SiLeach process.

2018 125

Nobel Prize in Chemistry 2019 awarded to developers of Li-ion battery

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Stanley Whittingham, Binghamton University, State University of New York; and Akira Yoshino, Asahi Kasei Corporation, for the development of lithium-ion batteries. The foundation of the lithium-ion battery was laid during the oil crisis in the 1970s.

2019 114

California Energy Commission to award up to $11M for non-Li-ion energy storage projects

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The California Energy Commission (CEC) has released a solicitation (GFO-19-305) to fund innovative, non-Li-ion energy storage research projects, including green electrolytic hydrogen systems. Additionally, as the State makes changes to the electric grid to accommodate higher levels of renewables and a carbon free future by 2045, the need for cost effective and high performing energy storage solutions are expected to increase and be diversified.

2020 60

USABC awards $919,000 Li-ion active material coating technology assessment contract to Physical Sciences; EV requirements

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This rapid, low cost coating technology increases the electrical and ionic conductivity at the surface of the anode and cathode active materials used in state-of-the-art and next-generation lithium-ion cells. PSI says that the HA coating enables: Increased active material content to 98-99% from commercial standards of 92-95%, while also eliminating the need for high surface area carbons.

2020 65

CMU study suggests difficulties in reaching targeted low price points for Li-ion batteries

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Historical prices and future cost predictions for lithium-ion batteries. They noted that due to current sales trends, three lithium-ion chemistries account for nearly all of the storage capacity, and half of the cells are cylindrical.

2016 168

Organically synthesized porous carbon shows “exceptional” potential as Li-ion anode material

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sp 3 hybridized porous carbon, OSPC?1. The new carbon shows electron conductivity, high porosity, the highest uptake of lithium ions of any carbon material to?date In addition, OSPC-1 is able to store lithium ions at more than double the rate as graphite—i.e.,

2018 85

Dahn team develops ethylene-carbonate-free electrolytes for better-performing high-voltage Li-ion cells

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Conventional electrolytes for Li-ion batteries contain ethylene carbonate (EC) and other additives. However, the cycling performance of Li-ion cells using these carbonate-based electrolytes has been poor at higher voltages (≥4.4

2016 85

U Akron team develops Mn-based high performance anode for Li-ion batteries

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Researchers at the University of Akron have developed hierarchical porous Mn 3 O 4 /C nanospheres as anode materials for Li-ion batteries. It has been well recognized that nano-engineering and carbon hybridization are effective ways to overcome or limit these issues. …

2018 95

Envia Systems hits 400 Wh/kg target with Li-ion cells; could lower Li-ion cost to $180/kWh

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Envia has developed Li-ion cells with an energy density of 400 Wh/kg using its proprietary HCMR cathode and Silicon-Carbon Composite anode. Envia HCMR vs. other Li-rich chemistries. Other Li-rich.

Li-ion 146

Recycling diesel carbon nanoparticles for Li-ion battery electrodes

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In a paper published in the Journal of Power Sources , a team from The Hong Kong Polytechnic University report showing that diesel carbon nanoparticles collected from diesel engines can be chemically activated to create a porous structure. The resulting nanostructured carbon electrodes have a high specific capacity of 936 mAh g ?1

2014 81

Purdue team uses pollen grains as basis for carbon architectures for Li-ion anodes

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A team at Purdue University has used pollens as the basis for carbon architectures for anodes in energy storage devices. Currently, Li-ion batteries generally use graphite as the anode material, with a theoretical capacity of 372 mAh/g and excellent capacity retention over extended cycling.

2016 85

EnerG2 nano-structured hard carbon boosts Li-ion anode capacity by >50% compared to standard graphite

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EnerG2, a manufacturer of advanced carbons for next-generation energy storage ( earlier post ), has begun production of nano-structured hard carbon for Li-ion battery anodes that it says can boost anode capacity by more than 50% over standard graphite.

2013 123

Fudan University team develops superfast charging Li-ion battery cathode

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Researchers at Fudan University with colleagues at the Shanghai Academy of Spaceflight have developed a LiMn 2 O4 material for a Li-ion battery cathode that exhibits superfast charging capabilities. M Li 2 SO 4 aqueous solution.

2013 134

Silicon-iron composite material for high capacity Li-ion anodes

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Researchers at Japan’s National Institute for Materials Science (NIMS) and Georgia Tech have jointly developed unique Si-iron (Fe) based nanomaterials connected by Ge nanostructures for use as a high-capacity anode material for Li-ion batteries.

2016 78

Toyota develops method to observe behavior of Li ions in electrolyte; expected contributions to battery performance & durability

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Toyota Motor’s Central R&D Labs, along with Nippon Soken and four universities (Hokkaido, Tohoku, Kyoto, and Ritsumeikan) has developed the first method for observing the real-time behavior of lithium ions (Li-ions) in an electrolyte as a Li-ion battery charges and discharges.

2016 101

Tsinghua, MIT, Argonne team discovers lithium titanate hydrates for superfast, stable cycling in Li-ion batteries

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Because water is considered “harmful” in high-voltage window aprotic electrolytes (free water can be highly reactive to LiPF 6 , lithium metal anode and lithium alkyl carbonates), most researchers calcine the nanostructured LTHs to completely remove all water by raising temperature to above 500 °C.

New high-performance tin-carbon nanocomposites for Li-ion anodes

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Researchers in Italy have developed a high-performance tin-carbon nanocomposite material for Li-ion anodes that exhibits strong capacities at up to 10 C cycling rate and stability over 600 cycles. To synthesize the material, they embedded nanosize tin particles (Sn-PMCMT) in electrically conducting porous multichannel carbon microtubes using co-electrospinning and heat treatment in Ar/H 2.

3D porous germanium-carbon composite particles as ultra-high rate anode for Li-ion batteries

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A team from Chonnam National University and the Korea Advanced Institute of Science and Technology (KAIST) have developed a 3D nanoarchitecture of germanium (Ge) coated with carbon (3D-Ge/C) for use as ultra-high rate anodes for Li-ion batteries. T Le, Chanhoon Kim, Jae-Young Lee, John G Fisher, Il-Doo Kim and Chan-Jin Park (2015) “Mass-scalable Synthesis of 3D Porous Germanium-Carbon Composite Particles as an Ultra-high Rate Anode for Lithium Ion Batteries”.

2015 81

Team develops high-capacity Li-ion sulfur battery; no Li-metal anode

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ion battery using an enhanced sulfur–carbon composite cathode that exploits graphene carbon with a 3D array (3DG?S) based anode (Li y SiO x –C)—i.e. avoiding the use of a Li metal anode entirely. The Li y SiO x –C/3DG?S Ion Battery using a 3?D?Array

2018 106

Silicon/soft-carbon nanohybrid as high-performance anode for Li-ion batteries

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A team from Samsung R&D and Shinshu University has developed a silicon/soft-carbon nanohybrid anode material for high performance lithium-ion batteries (LIBs). Addition of 5 wt % fluoroethylene carbonate (FEC) to the electrolyte improved the retention up to 81.3%

2016 85

KAIST researchers develop nitrogen-doped carbon nanotubes for high-capacity Li-ion energy storage systems

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Korean have developed nitrogen-doped carbon nanotubes for high-capacity lithium-ion energy storage systems, such as a lithium-ion capacitor. As an attempt to take only advantages of both types of ESSs, recently, lithium ion capacitors (LICs) have been designed and demonstrated.

2012 117

Argonne team develops new fluorinated sulfone electrolytes for high-voltage, high-energy Li-ion batteries

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Researchers at Argonne National Laboratory have synthesized a new class of fluorinated sulfone electrolytes to enable high-voltage, high-energy Li-ion batteries. The conventional lithium ion battery electrolyte is a 1.0-1.5

2017 106

WMG researchers use graphene girders to improve performance of Si anodes in Li-ion batteries

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Researchers at WMG (Warwick Manufacturing Group), The University of Warwick (UK) have developed Silicon-Few Layer Graphene (Si-FLG) composite electrodes as an effective approach to replacing graphite in the anodes of lithium-ion batteries.

2018 92

ETH Zurich team shows vanadate-borate glasses as inexpensive high-capacity cathodes for Li-ion batteries

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A team from ETH Zurich in Switzerland has demonstrated the use of vanadate-borate glasses (Li 2 O-B 2 O 3 -V 2 O 5 , referred to as V 2 O 5-LiBO 2 ) as high-capacity cathode materials for rechargeable Li-ion batteries for the first time.

2014 136

LIBCOIN-BHEL consortium in discussions to build Indian Government’s first Li-ion Gigafactory; to scale up to 30 GWh

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Magnis Energy Technologies Limited announced that the Government of India, Ministry of Heavy Industries and Public Enterprises advises that Bharat Heavy Electricals Limited (BHEL) and LIBCOIN (20% owned by Magnis) are in discussions to build India’s first Li-ion battery gigafactory. Our plan is to be the largest Lithium-ion Battery manufacturer in India, and we aim to be the first mover in one of the world’s largest markets.

2019 75

New process for synthesizing nano-tin/carbon composite spheres for high-performance Li-ion anode material

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Researchers at the University of Maryland have developed a new process—aerosol spray pyrolysis—to synthesize nano-Sn/C (nano-tin/carbon) composites for a Li-ion anode with uniformly dispersed 10 nm nano-Sn particles within a spherical carbon matrix.

2013 104

SiC@Si core–shell nanowires on carbon paper for Li-ion anodes

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Researchers at Zhejiang University have fabricated SiC@Si core–shell nanowires on carbon paper for use as high-capacity anodes for Li-ion batteries. They also reported on the influence of the growth time of SiC NWs and the thickness of Si film on the lithium-ion batteries’ performance, and proposed a possible method to further improve the battery performance.

2015 75

ORNL team finds way to deliver on promise of VO2(B) Li-ion cathode

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Researchers at Oak Ridge National Laboratory (ORNL) have discovered a way to achieve the promise of bronze-phase vanadium dioxide [VO 2 (B)] as an electrode material for Li-ion batteries. Thus, VO2(B) has been expected to exhibit both high capacity and rapid Li ion diffusion.

2017 85

UNIST/Stanford team develops new Li-ion anode with silicon-nanolayer-embedded graphite/carbon; 1,043?Wh/l full LiCoO2 cell

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Researchers affiliated with Ulsan National Institute of Science and Technology (UNIST), South Korea, and Stanford University have demonstrated the feasibility of a next-generation hybrid anode for high-capacity Li-on batteries using silicon-nanolayer-embedded graphite/carbon.

2016 101

Researchers fabricate high-performance 3D silicon anodes for Li-ion batteries from reed leaves

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Nanoporous silicon is considered an attractive next-generation anode material in lithium-ion batteries due to its much higher theoretical capacity and lower operating voltage than the commonly used graphitic carbon materials.

2015 111

Carbon-coated Si nanoparticles in CNT networks show promise as stable Li-ion anode materials

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Researchers at North Carolina State University (NCSU) have combined carbon coating and a carbon nanotube (CNT) framework to improve the cycling stability of Si (silicon) anodes for Li-ion batteries. Cycling performance of Si, Si@C, and Si@C?CNTs CNTs at 100 mA g ?1

2013 109

US Army, Brown Univ. partner to study SEI on silicon anodes to extend Li-ion battery life

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Through a Cooperative Research and Development Agreement (CRADA) negotiated by the US Army Research Laboratory (ARL) Technology Transfer and Outreach Office, ARL and Brown University researchers are attempting to address the difficulty of characterizing and then engineering the solid electrolyte interphase (SEI) layer that forms on the anode of lithium ion batteries, with particular emphasis on experimental silicon anodes with very high capacities for lithium.

2017 75

Hollow carbon nanospheres offer high rate capability as Li-ion electrode material

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A team of Max Planck researchers from the Institutes for Solid State Research, Colloids and Interfaces, and Intelligent Systems has devised hollow carbon nanospheres from glucose that offer superior rate capability (100?mAh?g

2012 98

New hybrid Li-ion/oxygen battery offers high energy and high power

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A team at Sichuan University in China is proposing a novel lithium-ion/oxygen hybrid battery system that exploits the advantages and minimizes the disadvantages of both lithium-ion batteries (LIB) and lithium-oxygen batteries (LOB). Herein, we propose a novel lithium ion/oxygen hybrid battery system by parallel connection of LIB and LOB, which possesses the characteristics of both LIB and LOB, compensating the disadvantages of one another.

2018 87

EnerG2 introduces silicon-carbon composite for Li-ion anodes; 5x improvement in cycle life over silicon

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EnerG2, a company manufacturing advanced nano-structured materials for next-generation energy storage, has introduced a carbon and silicon composite to boost lithium-ion battery capacity and power performance. The new silicon-carbon composite solution leverages EnerG2’s polymer chemistry-based approach and come less than one year after its launch of production of hard carbons tailored for Li-ion anodes.

2014 83

Aluminum-carbon anodes for Li-ion batteries show high capacity and stability

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Korea synthesized structurally regulated and hybridized aluminum-carbon (Al-C) nanoclusters as a stable, high-capacity anode material for Li-ion batteries. Yoo and Joong-Kee Lee (2013) “Al-C Hybrid Nanoclustered Anodes for Lithium Ion Batteries with High Electrical Capacity and Cyclic Stability” Chem. Researchers in S.

2013 78

New hybrid Li-ion/oxygen battery offers high energy and high power

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A team at Sichuan University in China is proposing a novel lithium-ion/oxygen hybrid battery system that exploits the advantages and minimizes the disadvantages of both lithium-ion batteries (LIB) and lithium-oxygen batteries (LOB).

2018 85

Researchers convert atmospheric CO2 to carbon nanofibers and nanotubes for use as anodes in Li-ion and Na-ion batteries

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Researchers from George Washington University and Vanderbilt University have demonstrated the conversion of atmospheric CO 2 into carbon nanofibers (CNFs) and carbon nanotubes (CNTs) for use as high-performance anodes in both lithium-ion and sodium-ion batteries. STEP is an efficient solar chemical process, based on a synergy of solar thermal and endothermic electrolyses, designed to convert greenhouse gas carbon dioxide into a useful carbon commodity.

2016 76

Hybrid cellular nanosheets show promise as basis for high performance anodes for Li-ion batteries

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Korea have developed a simple synthetic method for producing carbon-based hybrid cellular nanosheets that exhibit strong electrochemical performance for many key aspects of high-performance lithium-ion battery anodes. nm thick carbon walls. Researchers in S.

2015 108