Energy storage bottleneck

Which technology has bottleneck?

And core technology have bottleneck, such as the mid and high load compressor technology of CAES, the high speed motor, bearings and high strength composite technology of FWES, and the key material processing and lot sizing technologies are behind the world advanced level.

How to improve energy storage technology?

First of all, quicken the pace of establishing basic standards and revising the existing standards. Technology standards, design specifications and other requirements are of the basic standards of energy storage technologies. At present, some relevant standards for corporations and industry have been established and published.

Why is energy storage industry in China a big problem?

Judging from the present condition, cost problem is the main barrier. And the high performance and high security of the relative technology still need to be improved. Until 2020, energy storage industry in China may not be spread massively and the key point during this period is the technology research .

Does energy storage industry need a policy guidance?

Sungrow Power Supply Co., Ltd.: energy storage industry needs the policy guidance urgently. Machinery & Electronics Business; 2015-6-22: A06. Policy and innovation are key factors for the development of energy storage technology. China Electric Power News; 2016-4-28: 008. Lin Boqiang.

What is the energy storage system?

The energy storage system includes 1×5 MW×2 h LiB, 1×2 MW×2 h VRFB. And the wind power of 99 MW had been put into operation in August 2012. The system is connected with the 35 kV bus. Through intelligent control, the system stores and releases power according to the coordinating with wind power.

What is the target cost for the marketization of energy storage industry?

The target cost for the marketization of energy storage industry was about 200 dollars/kW h, equivalent to 1246 yuan/kW·h. However, at present, the cost of PbAB is about 1000 yuan/kW·h and the cost of NaS battery, LIB is about 4000 yuan/kW·h. High cost limits the commercialization of energy storage industry.