Direct measurement of the chemical reactivity of silicon electrodes with LiPF 6-based battery electrolytes
Chemical Communications, 2014•pubs.rsc.org
We report the first direct measurement of the extent of the spontaneous non-
electrochemically driven reaction between a lithium ion battery electrode surface (Si) and a
liquid electrolyte (1.2 M LiPF6–3: 7 wt% ethylene carbonate: dimethyl carbonate). This layer
is estimated to be 35 Å thick with a SLD of∼ 4× 10− 6 Å− 2 and likely originates from the
consumption of the silicon surface.
electrochemically driven reaction between a lithium ion battery electrode surface (Si) and a
liquid electrolyte (1.2 M LiPF6–3: 7 wt% ethylene carbonate: dimethyl carbonate). This layer
is estimated to be 35 Å thick with a SLD of∼ 4× 10− 6 Å− 2 and likely originates from the
consumption of the silicon surface.
We report the first direct measurement of the extent of the spontaneous non-electrochemically driven reaction between a lithium ion battery electrode surface (Si) and a liquid electrolyte (1.2 M LiPF6–3 : 7 wt% ethylene carbonate : dimethyl carbonate). This layer is estimated to be 35 Å thick with a SLD of ∼ 4 × 10−6 Å−2 and likely originates from the consumption of the silicon surface.
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