Fine-Tuning Intrinsic and Doped Hydrogenated Amorphous Silicon Thin-Film Anodes Deposited by PECVD to Enhance Capacity and Stability in Lithium-Ion Batteries.

In contrast, the variations in the hydrogen bonded as isolated monohydrides (Si-H) are very small and do not show a clear trend ( Figure 2 B, right), remaining practically unchanged, with atomic values between about 8.0 and 11.0%.

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Conversely the battery with a denser anode that has an R SM ratio of 0.01, which has an almost insignificant percentage of H attached as Si-H x (battery A), retains its capacity up to 30% of the initial capacity beyond 100 cycles (as Figure 8 illustrates).

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