-(2)What are the advantages and disadvantages of lithium titanate batteries?

(2)What are the advantages and disadvantages of lithium titanate batteries?
author:enerbyte source:本站 click174 Release date: 2023-12-13 16:15:49
abstract:
4. The working temperature range is wide from -30 ℃ to 60 ℃. At low temperatures, the insertion and extraction ability of lithium will decrease, especially the insertion ability. The lithium titanate negative electrode will not have lithium dendrites that cause short circuits or deterioratio...

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4. The working temperature range is wide from -30 ℃ to 60 ℃. At low temperatures, the insertion and extraction ability of lithium will decrease, especially the insertion ability. The lithium titanate negative electrode will not have lithium dendrites that cause short circuits or deterioration of the negative electrode when charged at -30 ℃, which graphite negative electrodes cannot achieve. It can quickly charge and discharge in a wide range of environments and is suitable for vehicle applications.

5. Low self discharge. As mentioned in a post, our experimental data showed that our conventional lithium manganese oxide was used as the positive electrode, and lithium titanium oxide was used as the negative electrode. After 28 days of storage at 60 degrees Celsius, the remaining capacity rate was 88%, and the capacity recovery rate was over 95%.

Disadvantages of Lithium Ion Titanate Batteries: Introduction to Disadvantages

1. High lithium potential leads to low working voltage and reduced energy density

2. The battery production process is prone to gas production

3. Poor electronic conductivity

Disadvantages of Lithium Ion Titanate Batteries: Advantages Introduction

1. Good safety, the most important aspect of electric vehicle batteries is to have high safety. Lithium titanate, due to its high equilibrium potential, does not form lithium dendrites on the negative electrode and has good safety.

2. Good cycling performance, as it is a zero strain material that does not undergo structural changes during charging and discharging, it has excellent cycling performance.

3. It can be charged and discharged quickly, and the diffusion coefficient of lithium ions in lithium titanate crystals is 2 times; 10-8cm-2/s, one order of magnitude more than graphite negative electrode, can quickly charge and discharge, and fast charging capacity is an important indicator for evaluating electric vehicle batteries.

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