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Study shows paper-folding concepts can compact a Li-ion battery and increase its areal energy density

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Researchers at Arizona State University have shown that paper-folding concepts can be applied to Li-ion batteries in order to realize a device with higher areal energy densities. Recently, there has been much interest in the development of electronic and energy storage devices using paper and textile components.

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New cobalt-free high-voltage spinel cathode material with high areal capacity

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Advancing cathode materials with both high energy density and low cost have always been the main objective of battery material research. Developing cobalt-free cathode materials is one of the significant concepts to lower down the price of current LIBs. … —Li et al. (a) —Li et al. Earlier post.).

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Ford and Samsung outline R&D efforts for next-generation non-hybrid battery technology; dual-battery systems and lightweight Li-ion

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For the near term, they have been working on a dual-battery combining a lithium-ion battery with a 12-volt lead-acid battery that could enable regenerative braking technology in non-hybrid vehicles for greater fuel savings. The research advances lithium-ion battery technology currently available on Ford’s electrified vehicles.

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Chalmers team develops graphite-like anode for Na-ion batteries; Janus graphene

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Researchers at Chalmers University of Technology, Sweden, have developed a nanometric graphite-like anode for sodium ion (Na + storage), formed by stacked graphene sheets functionalized only on one side, termed Janus graphene. The estimated sodium storage up to C 6.9 100 to 150 mA h g ? 100 to 150 mA h g ?1

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RIKEN team develops high-performance lithium-iodine battery system with higher energy density than conventional Li-ion

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The working concept of I3 – /I – redox reaction in the aqueous Li-I 2 battery. A team from Japan’s RIKEN, led by Hye Ryung Byon, has developed a lithium-iodine (Li-I 2 ) battery system with a significantly higher energy density than conventional lithium-ion batteries. Energy density was ~0.35

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Bio-inspired graphene hierarchical structures as high-performance anode materials for Li-ion batteries

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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. The films could be flexible if the substrate could be bent.

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ARPA-E RANGE: $20M for robust transformational energy storage systems for EVs; 3x the range at 1/3 the cost

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RANGE is focused on supporting chemistry and system concepts in energy storage with robust designs in one or both of: Category 1: Low-cost, rechargeable energy storage chemistries and architectures with robust designs; Category 2: Multifunctional energy storage designs.