On July 9, power battery newcomer Honeycomb Energy will hold a stacking era
strategic planning and product launch conference in Baoding with the theme of
"Leading the Stacking Era and Protecting Core Safety" to release a series of
power battery products based on high-speed stacking technology to the industry.
For electric vehicles, power batteries are the key and the focus of attention
from all walks of life. Power batteries directly affect the safety performance,
cruising range, charging time, cycle life and cost of electric vehicles. Since
April this year, spontaneous combustion accidents of electric vehicles have
occurred frequently, causing public doubts about the safety of electric vehicles
and triggering heated discussions in the industry. The power battery market
calls for changes in production processes. Currently, there are two main types
of battery production processes on the market: lamination and winding.
Traditional lamination process batteries are mainly soft-packed cells. The
lamination efficiency has been at a low level due to equipment and other
reasons. The production efficiency of the winding process is higher. However, in
the face of the large-scale development of electric vehicles, limitations are
becoming more and more The more obvious it is, there are problems such as poor
internal interface uniformity, pole piece wrinkles during circulation, and high
expansion force, which intensify the safety risks of electric vehicles.
Therefore, the market urgently needs the emergence of new battery production
processes to break this situation. In order to launch more cost-effective and
safer batteries, major battery manufacturing factories are investing money and
manpower in developing new technologies. As a battery manufacturer with the DNA
of a car company, Honeycomb Energy has outstanding advantages in automotive
battery research and development. A large number of core talents have
backgrounds in the automotive industry, allowing Honeycomb Energy to understand
cars better than manufacturers that started out with pure battery technology
since its birth. Demand, the product platform is also designed according to the
needs of automobiles in different application scenarios. Honeycomb Energy has
in-depth cooperation with the technical teams of top European car companies and
built China's first factory in Jintan, Jiangsu in accordance with world-class
standards. This is the world's first intelligent battery cell manufacturing
factory that adopts "high-speed lamination technology" on square aluminum shell
batteries. It integrates intelligent systems such as intelligent distribution,
digital signage and analysis, quality traceability and analysis, and digital
quality inspection. The factory covers an area of 800 acres, with an investment
of 10 billion yuan and an output value of 20 billion yuan. It mainly produces
aluminum-cased square batteries. The factory was constructed in two phases, with
a total planned production capacity of 20GWh. High-speed lamination process
empowers square lamination batteries. The high-speed lamination process is
Honeycomb Energy's innovative change in the traditional lamination process,
which greatly improves production efficiency. At this stage, Honeycomb Energy
has applied this process to square aluminum shell batteries. The efficiency of
the traditional lamination process is 1S per piece in a single station. The
first phase of the Honeycomb production line has been improved to 0.6S. The
second phase can achieve 0.45S high-speed lamination. And an ultra-high-speed
lamination process of 0.25S in a single station is being developed, which is
expected to It perfectly solves the efficiency problem of the lamination process
and even surpasses the efficiency of the winding process. Compared with
traditional winding process batteries, high-speed lamination process batteries
have multiple advantages: higher space utilization at corners, energy density
can be increased by 5%; lower deformation and expansion throughout the life
cycle, and cycle life increased by more than 10%; The edge structure is simpler,
the structure adaptability is better, and the battery safety is higher. Square
stacked batteries based on high-speed stacking technology have more advantages
in space efficiency and safety, and are expected to become a mainstream demand
product for the large-scale development of electric vehicles. This new era of
power battery development based on the new S3 standard of Full Cell Energy is
called the "stack era" by the industry. The future has come and power batteries
have entered the stacking era. Looking back at the development of lithium
batteries, it is not difficult to find that the 1.0 era of lithium batteries was
created by Sony Corporation of Japan. Its winding process lithium batteries are
widely used in 3C consumer electronics such as mobile phones, cameras, and
laptops. field. The lithium battery 2.0 era is the era of traditional coiled
batteries. This battery has made great progress compared to the Sony era and has
begun to be used in cars, but it is essentially an improved version of 3C
lithium batteries. Next, power batteries will enter the 3.0 era, which is the
power battery stack era - a new lithium battery era characterized by the
application of high-speed lamination technology. Compared with batteries in the
1.0 and 2.0 eras, batteries in the 3.0 era have the "three highs" advantages of
high safety, high energy density, and high cycle life. At the same time, they
can meet the clear needs of electric vehicles for large size and large capacity
batteries, and have "three highs". "Next generation power battery". At the 6th
China (Qingdao) Lithium Battery New Energy Industry International Summit Forum
held in November 2018, Dr. Ma Zhonglong, deputy general manager of Honeycomb
Energy, revealed, “We have made significant achievements in high-nickel
cathodes, silicon-carbon anodes, and cobalt-free cathodes. Progress and
technical roadmap are progressing steadily. At the same time, we have also made
sufficient technical reserves for forward-looking battery technologies such as
lithium-rich cathodes, all-solid electrolytes, lithium metal anodes,
lithium-sulfur, and lithium-air batteries to ensure long-term product
competitiveness." It is also understood that Honeycomb Energy has also planned
Super-i super integrated modules and other highly integrated, lightweight Pack
designs and BMS designs in terms of system integration to meet the needs of
price-sensitive models. According to Honeycomb Energy's plan, by 2025, the
company will contribute 100GWh of production capacity to the world, including
60GWh of production capacity to China. It has the ability to stably supply
domestic and foreign mainstream OEMs, and is determined to join the global
high-end OEM supporting system and become A world-class provider of power and
energy storage battery systems.
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