Ultra-long battery life and ultra-low temperature, Mengguli’s new energy
vehicle battery has achieved two important breakthroughs
China Energy Storage Network News: On March 11, the Beijing Municipal
Science and Technology Commission’s major science and technology project
"Development of 300Wh/kg ternary system high specific energy lithium-ion battery
for electric vehicles" was spearheaded by Mengguli Power Technology Co., Ltd., a
subsidiary of Rongsheng Holdings. Passed the expert group acceptance, the
project results will significantly improve the existing new energy electric
vehicles
On March 11, the Beijing Science and Technology Commission's major science
and technology project "Development of 300Wh/kg ternary system high specific
energy lithium-ion battery for electric vehicles" led by Mengguli Power
Technology Co., Ltd., a subsidiary of Rongsheng Holdings, passed the acceptance
of the expert group. The project results will significantly improve the cruising
range of existing new energy electric vehicles. Compared with existing
industrial battery products, under the same weight, the cruising range of new
energy vehicles loaded with the power batteries of this project can reach 600km,
which is significantly Improve the cruising range of existing new energy
electric vehicles.
The project was established by the Beijing Municipal Science and Technology
Commission in January 2017 to promote the research and development and promotion
of high-energy power batteries for new energy vehicles and eliminate consumers'
range anxiety about new energy electric vehicles. After two years of technical
research, the project team successfully developed high-capacity cathode
materials, new high-safety, high-pressure-resistant electrolytes, and conquered
technologies such as ultra-thick electrode preparation for high-energy-density
power batteries and new three-dimensional structure electrodes, and successfully
developed 300Wh/kg high specific energy single battery. The developed single
battery has a mass specific energy of 310.3Wh/kg, a volume specific energy of
659.3Wh/L, and a battery cycle life of up to 1,000 times. The implementation of
this project has integrated and opened up the upstream and downstream industrial
chains of high-energy-density batteries, leading the country in the field of new
energy vehicle power batteries. It has also applied for 15 invention patents and
published 6 SCI papers, achieving fruitful results.
Mengguli has continued to increase investment in research and development
over the years, and its advantageous high-power battery products have been
highly recognized by the market. The successful development of 300wh/kg
high-specific energy batteries has laid a solid foundation for the company to
move into the high-end passenger car market in the future.
At the same time, in order to solve the current technical bottlenecks in
the high-cold application of electric vehicles and combined with the needs of
high-cold applications in the 2022 Winter Olympics, Mengguli launched the
development of all-climate batteries in 2017. On January 16, 2018, at the China
Automotive Research and Development (CATARC) winter test site on the artificial
lake in the Phoenix Mountain Scenic Area in Yakeshi, Inner Mongolia, expert
leaders from the Beijing Municipal Science and Technology Commission and project
team members represented by Academician Sun Fengchun and many media Under the
joint witness of the experts, Menguli's all-climate power battery system allows
electric vehicles to "run freely" in the ice and snow of -30°C. The ambient
temperature of this test is almost the temperature forbidden zone of the power
battery, and Mengguli successfully challenged this limit. This all-climate
battery technology has already achieved a heating speed of 5°C/min, which is
more than ten times the current level of the industry. The technology is now
becoming mature. At the same time, Mengguli is accelerating the development of
batteries and battery systems with higher heating speeds. In order to meet the
requirements of different customers, battery products with a temperature rise of
10-15℃/min will be launched by the end of 2019. This is undoubtedly great news
for the implementation of the green passenger plan for electric vehicles at the
2022 Beijing-Zhangjiakou Winter Olympics. It is also of extraordinary
significance for the comprehensive popularization and promotion of electric
vehicles in the future.
The breakthroughs in two major key technologies have played an important
role in promoting the future development of Mengguli and the new energy
automobile industry. Mengguli will further accelerate the transformation of
scientific and technological achievements in the next step, integrating 300wh/kg
high specific energy product technology with All-climate battery technology is
integrated and developed, and pilot promotion is implemented in an all-round and
multi-faceted manner to provide new energy vehicles with power battery systems
with long driving range, long life, high environmental adaptability, and high
reliability.
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