Quali sono i componenti principali dei materiali delle batterie al litio? Vengono brevemente introdotti quattro materiali principali della batteria al litio

Batteria al litio is a kind of battery composed of lithium metal or lithium alloy as positive / materiale dell'elettrodo negativo, utilizzando una soluzione elettrolitica non acquosa. A causa delle caratteristiche chimiche del litio metallico sono molto attivi, effettuare la lavorazione, conservazione e utilizzo del litio metallico, i requisiti ambientali sono molto elevati. Con lo sviluppo della scienza e della tecnologia, lithium battery has become the mainstream.

1. Quali sono i componenti principali dei materiali delle batterie al litio

Carbon anode materials: the actual anode materials used in lithium ion batteries are basically carbon materials, such as artificial graphite, natural graphite, intermediate phase carbon microspheres, petroleum coke, carbon fiber, pyrolysis resin carbon, eccetera.

Tin-based cathode materials: Tin-based cathode materials can be divided into tin oxide and tin-based composite oxide. Oxide refers to the oxide of various valent metal tin. There are no commercial products available.

Nitrides: No commercial product.

Alloy category: including tin-based alloy, silicon-based alloy, germanium-based alloy, aluminum-based alloy, antimony-based alloy, magnesium-based alloy and other alloys, and there are no commercial products.

Nanoscale: nano-carbon tubes, nano-alloy materials.

Nanooxide: According to the latest market developments in the lithium battery new energy industry in 2009, many companies have begun to use nano titanium oxide and nano silicon oxide to add to the previously traditional graphite, tin oxide, nano carbon tubes, greatly improving the charge and discharge volume and charge and discharge times of lithium batteries.

2. Four main materials for lithium batteries

Lithium battery material composition mainly includes cathode material, materiale del catodo, diaphragm and electrolyte.

1, cathode materials: among the lithium cathode materials, the most commonly used materials are lithium cobalt oxide, lithium manganese oxide, lithium iron phosphate and ternary materials (polymer of nickel cobalt manganese).

2, cathode materials: among the cathode materials, the current lithium battery cathode materials are mainly natural graphite and artificial graphite. The anode materials being explored are nitrides, NON, ossidi a base di stagno, leghe di stagno, nanoanode materials, e alcuni altri composti intermetallici.

3, diaframma: market diaphragm materials are mainly polyethylene (polyethylene, PE), polypropylene (polypropylene, PP) based polyolefin (Polyolefin) diaframma. In the structure of lithium battery, il diaframma è uno dei componenti chiave dello strato interno.

4. Electrolyte: the electrolyte is composed of high purity organic solvent, sale di litio elettrolitico, additivi necessari e altre materie prime, a determinate condizioni, secondo una certa proporzione.

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