Green Car Congress

JANUARY 21, 2013

John Goodenough at the University of Texas at Austin and colleague Kyu-Sung Park have written a perspective paper on Li-ion batteries (LIBs), published in the Journal of the American Chemical Society. More recently, at the University of Texas, Austin, Dr. Goodenough patented a new class of iron phosphate materials.

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Li-ion PHEV Transportation Batteries 262

Green Car Congress

NOVEMBER 26, 2012

Li-ion cathode materials that deliver high power and capacity and that also do not contain heavy metals are highly desired from a viewpoint of sustainability, the team notes in their paper. discharge properties as a cathode material in a Li-ion battery. Credit: ACS, Nokami et al. Click to enlarge.

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Li-ion Charging Batteries Battery 287

Green Car Congress

MAY 27, 2013

Researchers at Nankai University in China have assembled spinel-type LiNi 0.5 O 4 (LNMO) porous nanorods with nanoparticles that function as high-rate and long-life cathode materials for rechargeable lithium-ion batteries. O 4 (LNMO), which possesses fast three-dimensional Li + diffusion channels and high operational voltage (?4.7

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Li-ion Lithium Ion Batteries Battery 186

Green Car Congress

DECEMBER 20, 2016

Garnet-type solid-state electrolytes (SSEs) for Li-ion batteries offer a range of attractive benefits, including high ionic conductivity (approaching 1 mS cm −1 at room temperature); excellent environmental stability with processing flexibility; and a wide electrochemical stability window. With the garnet composition Li 7 La 2.75

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Li-ion Lithium Ion Batteries Battery 150

Green Car Congress

FEBRUARY 23, 2015

A team of researchers from Kongju University in Korea, with colleagues from Samsung SDI, Sapphire Technology and MK Electronics have synthesized a novel nanocomposite—Si 80 Fe 16 Cr 4 —to alleviate the severe volume changes and associated performance impacts of silicon anode materials for rechargeable Li-ion batteries.

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Li-ion Lithium Ion Recharge 2015 150

Green Car Congress

MARCH 16, 2014

Researchers at Mie University in Japan have developed a new protected lithium electrode for aqueous lithium/air rechargeable batteries. Lead researcher Nobuyuki Imanishi said that the system has a practical energy density of more than 300 Wh/kg, about twice that of many commercial lithium-ion batteries. mAh cm -2 of capacity.

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Universal Li-ion Lithium Air Batteries 236

Green Car Congress

APRIL 28, 2015

Supported by an ARPA-E grant, LiRAP has proven to be a safe alternative compared to the liquid electrolytes used in most of today’s lithium ion batteries. The LiRAP solid electrolytes conduct Li + ions well at high voltage and high current, providing much enhanced energy density and power capacity as well as safety.

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Li-ion Sodium Lithium Sulfur Batteries 150

Green Car Congress

JANUARY 24, 2011

is introducing new graphene composite anode materials for Li-ion batteries. Targray says that the Vor-Charge Graphene Composite Anode Material outperforms carbon nanotube and carbon black composites, and enables increased cycle life and faster recharge rates. There is no lithium metal plating during fast recharge.

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Li-ion Batteries Battery Recharge 236

Green Car Congress

JUNE 7, 2021

In a paper in the journal Joule , a team from Penn State University has analyzed the primary performance metrics required for eVTOL batteries compared with electric vehicle (EV) batteries. EVTOL requirements on battery specific power and energy. Representative battery power profile during an eVTOL trip.

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Batteries Battery Li-ion Downsizing 243

Green Car Congress

FEBRUARY 10, 2014

Researchers at University of Limerick and University College Cork (Ireland) have developed high-performance and high-capacity lithium-ion battery anodes from high-density tin-seeded germanium nanowire arrays grown directly from the current collector. The illustration shows the formation of the porous network over time.

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Li-ion Lithium Ion Batteries Battery 225

Green Car Congress

MAY 31, 2016

Toshiba Corporation has developed a fast, cable-free contactless charger for electric vehicles (EVs), and will field test it on a medium-sized EV bus designed to handle the power demands of regular high-speed journeys on expressways. The 45-seat bus is powered by a long-life, high-output 52.9 The 11-kilometer (6.8-mile)

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Li-ion Recharge Batteries Battery 150

Green Car Congress

APRIL 27, 2014

Capacity and coulombic efficiency versus cycle index of Li-PGN cathodes at a rate of ~1C. O 2 and Li 3 V 1.98 Researchers at Rensselaer Polytechnic Institute have developed a safe, extended cycling lithium-metal electrode for rechargeable Li-ion batteries by entrapping lithium metal within a porous graphene network (Li-PGN).

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Recharge Li-ion Carbon Batteries 252

Green Car Congress

APRIL 15, 2012

graphene nanocomposites as high-rate cathode materials for rechargeable lithium batteries. polymer with a stable skeleton and highly electroactive functional group can potentially be a high-power cathode candidate because its redox reaction intrinsically has faster kinetics than inorganic intercalation cathodes. Click to enlarge.

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Li-ion Polymer Green Batteries 239

Green Car Congress

NOVEMBER 30, 2013

A team from the University of Science and Technology Beijing is proposing a new super-valent battery based on aluminium ion intercalation and deintercalation. The battery exhibits excellent reversibility and relatively long cycle life compared to earlier Al-ion efforts, the team said. Wang et al. Click to enlarge.

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Recharge Li-ion Batteries Battery 240

Green Car Congress

DECEMBER 13, 2016

Researchers at the University of Texas at Austin, including Prof. As reported in their paper in the RSC journal Energy & Environmental Science , the cells use a solid glass electrolyte having a Li + or Na + conductivity σ i > 10 -2 S cm -1 at 25°C with a motional enthalpy ΔH m ≈ 0.06 Click to enlarge. —Braga et al.

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Low Cost Recharge Austin Li-ion 150

Green Car Congress

AUGUST 18, 2014

Ragone plot, comparing Li-CNT-F batteries with other batteries in terms of weight of cathode materials. The highest energy density for Li-CNT-F batteries, 4,113 Wh kg carbon ?1 Reaching beyond the horizon of LIBs [lithium-ion batteries] requires the exploration of new electrochemistry and/or new materials. Click to enlarge.

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Li-ion Carbon Lithium Ion Energy 225

Green Car Congress

NOVEMBER 21, 2009

Sample UDRI solid-state, rechargeable lithium-air batteries, and Dr. Binod Kumar. Engineers at the University of Dayton Research Institute (UDRI) have developed a solid-state, rechargeable lithium-air battery. The cell exhibited excellent thermal stability and rechargeability in the 30–105 °C temperature range.

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Lithium Air Recharge Li-ion Batteries 287

Green Car Congress

AUGUST 13, 2016

One well-known problem facing the use of high-capacity silicon anodes in rechargeable Li-ion batteries is lithiation-induced volume changes in silicon, resulting in fracture and fragmentation of the anode material, with corresponding capacity loss. Their paper is published in the Journal of Power Sources. 2016.07.118.

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Li-ion Batteries Battery 2016 150

Green Car Congress

APRIL 13, 2015

A team of researchers in South Korea and Italy has demonstrated a highly reliable lithium–sulfur battery showing cycle performance comparable to that of commercially available lithium-ion batteries while offering more than double the energy density. The full lithium-ion sulfur cell presented in the study delivers a capacity of ?750

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Li-ion Lithium Sulfur Batteries Battery 150

Green Car Congress

MARCH 4, 2011

in partnership with Kyoto University, has developed a lower temperature molten-salt rechargeable battery that promises to cost only about 10% as much as lithium ion batteries. Molten-salt batteries use highly conductive molten salts as an electrolyte, and can offer high energy and power densities.

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Molten Salt Universal Lithium Ion Li-ion 199

Green Car Congress

JUNE 13, 2011

Last week’s 4 th Symposium on Energy Storage: Beyond Lithium-ion , hosted by the Pacific Northwest National Laboratory (PNNL), brought together researchers tackling the “Beyond Li-ion” problem by working on a number of different platforms (e.g., Mg 2+ rather than Li + ). Earlier post.).

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Li-ion Recharge Design Batteries 210

Green Car Congress

OCTOBER 10, 2017

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. The researchers focused mainly on the favorable cost-performance comparisons between their sodium-ion battery and lithium. —Lee et al.

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Sodium Li-ion Batteries Battery 186

Green Car Congress

AUGUST 24, 2016

A team at the Ohio State University has developed a membrane that regulates bi-directional ion transport across it as a function of its redox state and that could be used as a programmable smart membrane separator in future supercapacitors and redox flow batteries. plugin EVs to Tesla’s 85 kWh battery pack).

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Energy Storage Energy Power Powered 150

Green Car Congress

AUGUST 17, 2013

Researchers from the University of Michigan and Osaka University in Japan propose in a paper in the Journal of Power Sources a high-temperature, rechargeable metal-air battery that relies on Ti or Zr metal as the anode and the shuttling of oxygen anions between the cathode and the anode through a solid-oxide ion-conducting electrolyte.

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Li-ion Batteries Battery Michigan 244

Green Car Congress

OCTOBER 10, 2011

Conventional Li-ion cell (left) compared to Seeo cell (right). The California Energy Commission has awarded $1,585,490 to spur research on projects including a solid-state Li-ion battery system for grid-scale energy storage. Click to enlarge. Commissioners approved $600,000 to Seeo Inc. This approach allows independent.

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Li-ion Grid Energy California 186

Green Car Congress

MARCH 28, 2018

Researchers at The University of Texas at Dallas have used two-dimensional (2D) MoS 2 (molybdenum disulfide) as a protective layer for Li-metal anodes, greatly improving the performances of Li–S batteries. The deposition and dissolution process of a symmetric MoS 2 -coated Li-metal cell operates at a current density of 10?mA?cm

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Dallas Li-ion Lithium Sulfur Batteries 207

Green Car Congress

SEPTEMBER 6, 2012

Contour Energy Systems, Inc, developer of new fluorine-based battery chemistries, nanomaterials science and manufacturing processes for lithium-ion energy storage systems ( earlier post ) is merging with Li-ion battery maker ActaCell Energy Systems, a spin-off from the University of Texas at Austin ( earlier post.

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Li-ion Energy Companies Batteries 218

Green Car Congress

JULY 20, 2011

The University of Illinois at Urbana-Champaign has entered into a licensing agreement with Xerion Advanced Battery Corp under which Xerion has the exclusive right to bring the University’s patented StructurePore electrode technology to the market. Earlier post.). Earlier post.).

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Illinois Universal Nickel Metal Hydride Commercial 199

Green Car Congress

NOVEMBER 20, 2013

Long-term cycling test results of the Li/S cell with CTAB-modified S?GO This result represents the longest cycle life (exceeding 1,500 cycles) with an extremely low decay rate (0.039% per cycle) demonstrated so far for a Li/S cell. This would require almost double the specific energy (about 200 Wh/kg) of current lithium-ion batteries.

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Li-ion Lithium Sulfur Energy Industrial 359

Green Car Congress

DECEMBER 29, 2013

Researchers at Tsinghua University have developed a high-power-density zinc-air fuel cell (ZAFC) stack using an inexpensive manganese dioxide (MnO 2 ) catalyst with potassium hydroxide (KOH) electrolyte. As reported in a paper in the Journal of Power Sources , they achieved peak power in a ZAFC stack as high as 435 mW cm -2.

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Zinc Air Fuel Power Powered 231

Green Car Congress

JUNE 6, 2010

As one of the many approaches under investigation to increase the power density, specific capacity, and cyclic efficiency of rechargeable lithium-ion batteries, researchers are seeking to develop higher-capacity anode materials (such as silicon- or tin-based materials). SEM images of GMP40. Credit: ACS, Lin et al. Lin et al. —Lin

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Li-ion Carbon Lithium Ion Charging 186

Green Car Congress

MARCH 7, 2014

Up to 30 electric vehicles at a time can recharge in Fraunhofer IAO’s parking garage. This year will see the installation of a photovoltaic unit and a small wind power system at the Fraunhofer Institute Center Stuttgart IZS, where up to 30 electric vehicles at a time can recharge at AC charge spots in the Fraunhofer Campus parking garage.

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Grid DC Li-ion Fleet 244

Green Car Congress

MARCH 1, 2017

The cells use a solid glass electrolyte having a Li + or Na + conductivity >10 -2 S cm -1 at 25 ˚C with a motional enthalpy ≈ 0.06 Traditional rechargeable batteries use a liquid electrolyte and an oxide as a cathode host into which the working cation of the electrolyte is inserted reversibly over a finite solid-solution range.

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Li-ion Sodium Austin Batteries 150

Teslarati

MAY 4, 2021

The new cells offer exponentially more energy, six times the power, and more range as Tesla attempts to expand its production efforts to help EVs reach price parity with gas-powered cars. Tesla debuts new 4680 battery cell: 500% more energy, 6X power, range increase.

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Batteries Battery Tesla Li-ion 143

Green Car Congress

MAY 28, 2015

Of these, 16 are vehicle-related, encompassing projects developing batteries, power electronics and improved combustion engine technology including on-board reformers, and two are specifically hydrogen fuel cell-related. It is cleaner, quieter, and friendlier to operate with a fuel cell power plant enabling mobility via renewable energy.

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Li-ion Battery Powered Engine Lithium Ion 150

Green Car Congress

APRIL 6, 2015

A team at Stanford University, led by professor Hongjie Dai, has developed a high-performance, safe, fast-charging aluminum-ion battery that can last for thousands of cycles. The Al-ion battery—comprising an aluminum anode, graphite cathode and ionic liquid electrolyte—produces about half the voltage of a Li-ion battery.

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Li-ion Taiwan Lithium Ion Batteries 150

Green Car Congress

JANUARY 9, 2014

(In the disordered material, the blue lines show the pathways that allow lithium ions to traverse the material.) In a rechargeable lithium-based battery, lithium ions move out of the battery’s cathode during the charging process, and return to the cathode as power is drained. The performance of Li 1.211 Mo 0.467 Cr 0.3

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MIT Li-ion Lithium Ion Batteries 236