Silicon batteries are the next-generation lithium-ion (Li-ion) batteries. Silicon (Si)-based materials have the highest capacity among the various investigated anode materials. Silicon anode batteries promise for a long battery life as well as long-lasting storage due to the high capacity of silicon to store electric charge. This battery technology has multiple advantages over ordinary lithium or graphite anodes such as it enables long life and high energy storage, resulting in a significantly longer-lasting battery. The global silicon battery market size is estimated to be valued at USD 38 million in 2020 and is projected to reach USD 177 million by 2025; it is expected to grow at a CAGR of 36.2%. The growth of this market is expected to be driven by increasing R&D initiatives by battery manufacturers, the inherent advantages of silicon batteries, increasing adoption of consumer electronics, and high energy density of silicon batteries.
Amprius Technologies (US), Enovix (US), and Huawei (China) are among the key players in the silicon battery market.
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Amprius Technologies (US) is one of the global leaders in silicon anode technology. Amprius Technologies delivers lithium-ion batteries having higher energy density than standard lithium-ion batteries. Amprius supplies its batteries to smartphone and tablet OEMs. It is also working with OEMs to design custom batteries to fit into consumer electronics. The company offers silicon nanowire batteries with higher energy density, conductivity, and superior cycle life as compared with standard lithium-ion batteries. Its silicon batteries have up to 50% higher energy density than standard lithium-ion batteries with carbon anodes. Amprius has established a complete technology platform that represents the whole battery ecosystem. Amprius offers advanced lithium-ion batteries such as silicon nanowire batteries that are specifically suited for applications such as autonomous and electric vehicles, aerospace and defense, and mission-critical wearables. The company serves its customers in the US, as well as in other countries.
Enovix (US) is one of the prominent manufacturers and distributors of silicon batteries. Enovix is constructing a next-generation lithium-ion battery using its 3D cell architecture and high-capacity silicon anode. This 3D silicon lithium-ion battery offers increased energy density and enhanced safety at an economical price. This architecture enables high-capacity silicon anode and improves spatial efficiency to increase energy density. It is expected to be commercialized in 2020. This battery is supposed to be used in applications such as mobile computing, electric vehicles, and communication devices.
Huawei (China) is a Chinese giant in the space of telecommunications and consumer electronics. The company announced the launch of a patented lithium-silicon battery in October 2018. This battery comes with enhanced fast-charging capacity and ensures safety. The silicon anodes in this battery hold more power than graphite-based anodes, which increases the durability of the battery and its power retention capacity. Significant performance improvements are achieved using 3D carbon nets doped with nitrogen. This battery is expected to be used in Huawei smartphones. Huawei’s patented lithium-silicon battery is technologically strong as it would offer much improved fast-charging capability and be safer than the earlier options.
Silicon Battery Market by Capacity (0–3,000 mAh, 3,000–10,000 mAh, 10,000–60,000 mAh, and 60,000 mAh & Above), Application (Consumer Electronics, Automotive, Aviation, Energy, and Medical Devices), and Region - Global Forecast to 2025
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