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Deep Cycle

Low Cost

Stanford, SLAC team cages silicon microparticles in graphene for stable, high-energy anode for Li-ion batteries

Green Car Congress

JANUARY 28, 2016

The graphene cage acts as a mechanically strong and flexible buffer during deep cycling, allowing the silicon microparticles to expand and fracture within the cage while retaining electrical connectivity on both the particle and electrode level. —Yi Cui. Here we introduce a method to encapsulate Si microparticles (∼1–3 µm).

Li-ion

Li-ion Lithium Ion Energy Batteries

New silicon-hydrogel composite Li-ion anode material shows long cycle life, easy manufacturability

Green Car Congress

JUNE 4, 2013

A g -1 , the composite electrode exhibited a relatively stable reversible lithium capacity of 1,600 mAh g -1 for 1,000 deep cycles based on the weight of only Si. The electrode can be continuously deep cycled up to 5,000 times without significant capacity decay. Click to enlarge. At a charge/discharge current of 1.0

Li-ion

Li-ion Manufacturer Polymer Deep Cycle

EV Driven

Stanford, SLAC team cages silicon microparticles in graphene for stable, high-energy anode for Li-ion batteries

New silicon-hydrogel composite Li-ion anode material shows long cycle life, easy manufacturability

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