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. — Herya and Sundaresan.

Energy Storage 150

Energy Storage Energy Power Powered 150

Green Car Congress

JUNE 4, 2013

A team at Stanford University has developed stable silicon Li-ion battery anodes by incorporating a conducting polymer hydrogel into the Si-based material. V versus Li/Li + ), (3) the natural abundance of elemental Si, and (4) its safety and environmental benignity. Click to enlarge. —Yi Cui.

Li-ion 236

Li-ion Manufacturer Polymer Deep Cycle 236

Green Car Congress

JANUARY 7, 2015

A team from the University of Rome Sapienza has developed a rechargeable lithium-ion polymer battery based on the combination of a high capacity sulfur-carbon cathode, nanostructured Li x Sn-C anode and polysulfide-added PEO-based gel membrane. Moreover, the addition of a dissolved polysulfide (i.e.

Li-ion 150

Li-ion Polymer Lithium Sulfur Energy 150

Green Car Congress

MAY 2, 2011

A team from Nanyang Technological University (China) has developed a scalable self-assembly strategy to create bio-inspired honeycomb-like hierarchical structures composed of functionalized graphene sheets to work as anodes in lithium-ion batteries. ACS Nano Article ASAP doi: 10.1021/nn2001728. Credit: ACS, Yin et al.

Li-ion 210

Li-ion Lithium Ion Batteries Battery 210

Green Car Congress

JUNE 10, 2019

Because of their high energy-storage density, materials such as metal oxides, sulfides, and fluorides are promising electrode materials for lithium-ion batteries in electric vehicles and other technologies. —co-corresponding author Zhongwei Chen, a professor at the University of Waterloo, Canada.

Lithium Ion 236

Lithium Ion Li-ion Batteries Battery 236

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.

Recharge 240

Recharge Li-ion Batteries Battery 240

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.

Li-ion 225

Li-ion Carbon Lithium Ion Energy 225

Green Car Congress

JULY 1, 2019

The research, published in the journal Joule , builds on innovations first reported in Science in 2017 by the same research group at the University of California San Diego and the university spinout South 8 Technologies. —Yang et al. for 500 charge cycles at room temperature. This is up from the 97.5% 1721646).

Gas 247

Gas San Diego Li-ion Batteries 247

Green Car Congress

AUGUST 25, 2017

Researchers have achieved a significant boost in the storage capacity of magnesium-ion batteries through a new design for the cathode and a new understanding of the electrolyte. Magnesium ion is known to be hard to insert into a host. More than that, magnesium ions produced in that way move extremely slowly in the host.

Li-ion 210

Li-ion Design Batteries Battery 210

Green Car Congress

AUGUST 24, 2012

Researchers at the University of Tokyo are exploring the development of novel lithium-free “oxygen rocking” rechargeable aqueous batteries for large-scale energy storage. Scientific Reports 2, Article number: 601 doi: 10.1038/srep00601. Operating principle of oxygen rocking batteries using CLFO. Hibino et al.

Li-ion 285

Li-ion Batteries Battery Lithium Ion 285

Green Car Congress

JUNE 8, 2014

Researchers at the University of Maryland, with colleagues at the University of Illinois at Chicago, report on a new method for expanding graphite for use as a superior anode for sodium-ion batteries in a paper in Nature Communications. to enlarge the interlayer lattice distance to accomodate the larger sodium ions.

Sodium 210

Sodium Li-ion Maryland Batteries 210

Cars That Think

DECEMBER 30, 2021

2021 was a big year for energy-related news, what with the ongoing hunt for new forms of energy storage and cleaner if not carbon-free electricity and events and research that spotlighted the weak links in our power grid. This article, by researchers at PARC and the University of Washington, is one possible answer.

Hydrogen 105

Hydrogen Green Molten Salt China 105

Green Car Congress

APRIL 21, 2011

Researchers from the Norwegian University of Science and Technology (NTNU) have performed life cycle assessments (LCA) of three batteries for plug-in hybrid (PHEV) and full performance battery electric (BEV) vehicles. Moreover, the NCM and LFP batteries contain at least an order of magnitude less nickel and virtually no rare earth metals.

Nickel Metal Hydride 334

Nickel Metal Hydride NiMH PHEV Li-ion 334

Green Car Congress

MARCH 28, 2015

Measurements also indicate that these new materials could yield a cathode that is extremely energy-efficient. However, transition metal fluorides, which contain the element fluorine plus one or more of the transition metals, such as iron and copper, have much higher ion-storage capacities than traditional cathodes.

Li-ion 150

Li-ion Batteries Battery Conversion 150

Green Car Congress

MAY 9, 2016

A team of scientists from the US Department of Energy’s (DOE) Brookhaven National Laboratory, the University of Pennsylvania, and the University of Maryland, College Park, has developed an electron microscopy technique to visualize—in real time and at high resolution—lithiation pathways in electrode materials.

Li-ion 150

Li-ion Lithium Ion Conversion Pennsylvania 150

Green Car Congress

APRIL 7, 2017

Examples include photocatalysis, gas sensing and as Li-ion battery electrodes. The hierarchical nature of the pores also reduces the stresses in these electrodes during the charge/discharge processes, improving their structural stability and resulting in a longer life time for energy storage devices.

Li-ion 220

Li-ion Batteries Battery Lithium Ion 220

Green Car Congress

JULY 7, 2016

An international team of researchers has demonstrated a new way to increase the robustness and energy storage capability of a particular class of “lithium-rich” cathode materials by using a carbon dioxide-based gas mixture to create oxygen vacancies at the material’s surface. —Qiu et al.

San Diego 170

San Diego Li-ion Ni-Li Lithium Ion 170

Green Car Congress

NOVEMBER 5, 2015

Lawrence Livermore National Laboratory researchers have found , through experiments and calculations, that hydrogen-treated graphene nanofoam (GNF) anodes in lithium-ion batteries (LIBs) show higher capacity and faster transport. An open-access paper on their work is published in Nature Scientific Reports. —Ye et al. Lee, Brandon C.

Li-ion 150

Li-ion Hydrogen Batteries Battery 150

Green Car Congress

AUGUST 2, 2015

After debuting the first solar air battery—a photo-assisted charging Li-O 2 battery—last fall ( earlier post ), researchers at The Ohio State University led by Professor Yiying Wu have now developed a new system combining a solar cell and a battery into a single device. —Yu et al.

Solar 150

Solar Li-ion Batteries Battery 150

Tony Karrer Delicious EVdriven

APRIL 21, 2009

The Electric Power Research Institute (EPRI) estimates that the current power grid could handle many tens of millions of cars plugging in at off-peak hours before wed have any capacity issues [See EPRI article PDF ]. Lithium-Ion batteries share many characteristics with NiMH. The EPRI says lithium-ion batteries are ready now.

PHEV 37

PHEV Nickel Metal Hydride Prius EPRI 37