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Prospects for the future development of lithium titanate battery technology

Prospects for the future development of lithium titanate battery technology

  • Categories:Industry News
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  • Time of issue:2019-04-17 15:40
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(Summary description)What is the future development prospect of lithium titanate battery technology? Lithium titanate battery technology is very leading in the field of energy storage. It has the advantages of fast charging, long life and low temperature resistance. It is especially suitable for buses with fixed mileage or fixed lines, such as buses and terminal trailers. Lithium titanate battery is still not the mainstream of battery technology. At present, domestic auto manufacturers use more ternary lithium batteries and lithium iron phosphate batteries

Prospects for the future development of lithium titanate battery technology

(Summary description)What is the future development prospect of lithium titanate battery technology? Lithium titanate battery technology is very leading in the field of energy storage. It has the advantages of fast charging, long life and low temperature resistance. It is especially suitable for buses with fixed mileage or fixed lines, such as buses and terminal trailers. Lithium titanate battery is still not the mainstream of battery technology. At present, domestic auto manufacturers use more ternary lithium batteries and lithium iron phosphate batteries

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2019-04-17 15:40
  • Views:
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What is the future development prospect of lithium titanate battery technology? Lithium titanate battery technology is very leading in the field of energy storage. It has the advantages of fast charging, long life and low temperature resistance. It is especially suitable for buses with fixed mileage or fixed lines, such as buses and terminal trailers. Lithium titanate battery is still not the mainstream of battery technology. At present, domestic auto manufacturers use more ternary lithium batteries and lithium iron phosphate batteries.

What is a lithium titanate battery?

The lithium titanate battery is a lithium ion secondary battery which is used as a negative electrode material for a lithium battery, lithium titanate, and can be composed of a positive electrode material such as lithium manganate, a ternary material or lithium iron phosphate to form a 2.4V or 1.9V battery. In addition, it can also be used as a positive electrode, and a 1.5V lithium secondary battery is composed of a lithium metal or a lithium alloy negative electrode. Due to the high safety, high stability, long life and green environmental protection of lithium titanate.

Composition of lithium titanate battery

Negative electrode: lithium titanate material

Diaphragm: lithium battery separator with carbon as the negative electrode

Electrolyte: Lithium battery electrolyte with carbon as negative electrode

Battery case: lithium battery case with carbon as negative electrode

What is the future development prospect of lithium titanate battery technology?

Although the lithium titanate battery has poor rate performance and energy density is not high enough, it has the advantage of fast charging. As its price becomes more reasonable and the charging facilities are increasingly perfect, lithium titanate batteries are expected to occupy an important place in the field of power batteries.

It is understood that from the practical use value, lithium titanate battery is expected to bring lower cost of use to customers with its long cycle life. As the price becomes more reasonable, lithium titanate will soon be counterattacked. The market space for lithium titanate batteries will be very limited in the future. There is basically no space in the auto industry, and the space for the auto industry in the future will be smaller than it is now. The field of energy storage can be tried, but it will never become the mainstream. Coupled with the high price, compared with the high cost performance of the future storage of energy batteries, the prospect of lithium titanate in the field of energy storage is also worrying.

Advantages and disadvantages of lithium titanate battery technology

Lithium titanate battery has small volume, light weight, high energy density, good sealing performance, no leakage, no memory effect, low self-discharge rate, rapid charge and discharge, long cycle life, wide working temperature range, safe and stable green And so on, so it has a very wide application prospect in the field of communication power.

When the lithium titanate battery is used as the anode material, the potential platform is as high as 1.55V, which is more than 1V higher than the conventional graphite anode material. Although some energy density is lost, it means that the battery is safer.

Since the lithium titanate battery can be safely used in high temperature and low temperature environments, it also shows its important advantages of wide temperature resistance (especially low temperature resistance). At present, the safe working temperature range of the Yinlong lithium titanate battery is between -50 degrees and 65 degrees.

Long cycle life. Compared with the graphite materials commonly used in traditional lithium-ion batteries, lithium titanate battery materials have almost no shrinkage or expansion of the skeleton structure during charging and discharging, and are called "zero strain" materials, which avoids general electrode materials. The problem of damage to the electrode structure caused by cell volume strain during deintercalation/intercalation of lithium ions.

The last advantage of lithium titanate battery is its fast charge and discharge capability and high charging rate. At present, the charging rate of Yinlong lithium titanate battery is 10C or even 20C, while the battery charging magnification of ordinary graphite anode material is only 2C-4C.

Lithium titanate battery will continue to produce gas during recycling, resulting in battery pack bulging, especially at high temperatures, affecting the contact between positive and negative electrodes, increasing battery impedance, affecting battery performance. This is also one of the main obstacles limiting the widespread use of lithium titanate, a negative electrode material, in batteries.

The process of nanometerization of lithium titanate battery materials is often difficult and requires high cost, and it is currently difficult to achieve large-scale industrial production.

Lithium titanate batteries have lower energy density than other types of lithium ion power batteries.

Development status of lithium titanate battery technology at home and abroad

In the past 10 years, the research on lithium titanate battery technology at home and abroad can be described as turbulent. Its industrial chain can be divided into lithium titanate material preparation, lithium titanate battery production and lithium titanate battery system integration and its application in the electric vehicle and energy storage market.

Internationally, the research and industrialization of lithium titanate materials are leading in the United States, including the Austrian Titanium Nanotechnology Company, Japan Ishihara Industry Co., Ltd., and the UK Johnson Matthey Company. Among them, lithium titanate materials produced by American Titanium have excellent performance in terms of rate, safety, long life and high and low temperature. However, due to the excessively long and detailed production methods, the production cost is too high, making it difficult to commercialize.

There are not many manufacturers that can mass produce lithium titanate batteries in the world, mainly represented by American Ao Ti and Japan Toshiba Group. The application market for lithium titanate batteries mainly includes electric vehicles, energy storage markets and industrial applications.

There are many domestic lithium titanate battery production, such as Huzhou Weihong, Zhuhai Yinlong, Shenzhen Boleida, Tianjin Jiewei Power Industry Co., Ltd., Sichuan Xingneng, CITIC Guoan Mengli Power Technology Co., Ltd. Hunan Shanshan and a number of smaller lithium titanate battery manufacturers around Anhui and Shenzhen.

The above is the introduction of the future development prospects of lithium titanate battery technology. Lithium titanate battery is applied to power generation, power supply and user side due to its high safety, fast response, long life and low cost. Today, an emerging lithium titanate energy storage ecosystem is clearly visible.

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