Developing Processes For The Low-Cost Manufacturing Of High Purity Silicon Metals For Next-Generation Lithium-ion Batteries
Achieved final critical milestones, completing a successful silicon pour
Message: Gen 4 / Optimization
In the video, Bernard states that the Gen3 batter is partially optimized..Being curious, I ran this search about what can be done to optimize a silicon battery. While some of the below is probably already in the mix, I wonder what will be applied next (the bold text is mine...thinking that these may be next possibilities for added improvement short of adding additonal silicon to the batch...although prelithiation may already be in the mix)?
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here are a number of ways to optimize silicon batteries, including:
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Use less of the silicon's capacitySilicon's high energy capacity means that using only a third or fifth of its capacity can still significantly improve battery life.
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Add a small amount of silicon to graphite anodesAdding 5–10% silicon to graphite anodes can increase capacity without causing the anode to break down too much.
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Make the silicon anode porousThis allows the silicon to expand into the holes without disturbing the surface.
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Use prelithiationThis priming strategy compensates for the lithium loss that typically occurs with silicon.
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Add MXene to silicon anodesThis could extend the life of lithium-ion batteries by as much as five times.
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Use a multilayer carbon skeleton network and grapheneThis can help with the volume expansion and low electron mobility of silicon-based anode materials.
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Use a random terpolymer as an aqueous binderThis can improve the adhesion effect and provide fast channels for lithium ion transport.
Silicon expands as it charges, which can cause it to break and malfunction.
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