What are the materials of NiMH No.7 batteries?

NiMH No.7 batteries can be roughly divided into two categories: lithium-ion metal batteries and NiMH No.7 batteries. NiMH No.7 batteries do not contain metallic lithium ions and are rechargeable. The fifth generation of rechargeable batteries, lithium-ion metal batteries, was born in 1996. Their safety, specific capacity, self-discharge rate and performance-price ratio are better than NiMH No.7 batteries. Due to its own high technical requirements, only companies in a few countries are now processing this type of lithium-ion metal battery.

Carbon negative electrode materials have been actually used in NiMH No.7 batteries. The negative electrode materials are basically carbon materials, such as artificial graphite, natural graphite, mesophase carbon microspheres, petroleum coke, carbon fiber, pyrolytic resin carbon, etc.

Tin-based negative electrode materials Tin-based negative electrode materials can be divided into two types: tin oxides and tin-based composite oxides. Oxides refer to oxides of various valence states of metal tin. There are no commercial products.

Alloys include tin-based alloys, silicon-based alloys, germanium-based alloys, aluminum-based alloys, antimony-based alloys, magnesium-based alloys and other alloys, and there are no commercial products.

Nano-scale nano-carbon tubes, nano-alloy materials.

According to the market development trend of lithium-ion battery new energy industry in 2009, many companies have begun to use nano-titanium oxide and nano-silicon oxide to add to the traditional graphite, tin oxide, and nano-carbon tubes to increase the charge and discharge capacity and charge and discharge times of NiMH No.7 batteries.

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