Huizhou, China (ots/PRNewswire) – As part of the global commitment to carbon peaking and carbon neutrality, demand for large-scale, long-term energy storage has become stronger.
EVE Energy presented its CTT technology in October 2022 and is one of the pioneers in the field of lithium battery long-term energy storage.
How does the breakthrough in energy storage in long-life lithium batteries occur? On January 25, 2024, EVE Energy held an online release conference for its Mr. Flagship series with the theme “Reliable Energy Storage with EVE Energy’s Large Batteries” and unveiled its Mr. Big battery cell and Mr. Giant system.
The Mr. Big battery cell has a high capacity of up to 628Ah and uses third-generation high-speed stacking technology, enabling 96% energy efficiency. The Mr. Giant system uses a standard 20-foot container and offers an energy capacity of 5 MWh and a high energy efficiency of 95%.
Dr. Yuan Dingding, Technical Manager of EVE Energy’s LFP Battery Department, explained that the newly released Mr. Flagship series based on electrochemical technology and theories and includes innovative technologies such as current collection, 3T technology and the 14μm separator, which allow minimal heat loss between charge and discharge cycles. The products are “more efficient, simpler and safer”leading to a new definition of ESS (Energy Storage Systems) and meeting the needs of large-scale and long-life energy storage development.
- The battery has its place: even a 1% increase in energy efficiency based on electrochemical principles is significant
It is calculated that a 1% increase in energy efficiency results in an increase in customer operating revenue of RMB 3.6 million over the entire life cycle.
In order to improve energy efficiency and increase customers’ profitability, EVE Energy’s research and development team maintains the inquiring spirit of scientists and takes the lead in developing an innovative model of electrochemical power collection in the industry based on the principle of electrochemistry is based. In this process, EVE Energy’s R&D team created battery tabs and poles with “golden ratio” positions and sizes that act like a “highway” for electronics and enable a breakthrough in energy efficiency.
The battery has its right to live, and we always make each battery with reverence. This is EVE Energy’s corporate culture.
- We guarantee long-term energy supply and achieve the restoration of the earth with every charge and discharge.
In order to solve the problem of temperature uniformity in large battery volumes, EVE Energy developed 3T technology, which is one of the core technologies of the Mr. Flagship series.
According to Yuan Dingding, the inspiration for the revolutionary 3T technology comes from the science fiction classic The Three-Body Problem. In the book, there is a weapon called two-dimensional foil that turns three-dimensional space into two-dimensional space. This idea inspired the R&D team.
EVE Energy baute “two-dimensional foils” into its batteries to convert heat diffusion in three-dimensional space into heat exchange in two-dimensional space during the battery charge/discharge cycle. This successfully solved the problem of heat generation in large-capacity batteries and improved the energy efficiency of batteries and systems.
3T technology has reduced the temperature difference in Mr. Big batteries from 8°C to 1.5°C. It allows Mr. Giant systems to achieve energy efficiency of up to 95%, with temperature differences controlled to less than 3°C and the maximum temperature reduced by 5°C.
With continued advances in lithium battery technology, optimized energy storage solutions will unlock the full potential of PV power, ensuring stable power supply throughout the day and night and helping to restore the Earth.
- Building the core of “reliable energy storage with EVE Energy’s large-scale batteries” to lead the world into the era of large-scale energy storage.
Based on the reverence for batteries, EVE Energy consistently sticks to its original claim and takes every product seriously.
Compared to the conventional solution with 314Ah the Mr. Big integrated system with a capacity of 628Ah reduces the number of battery cells by 50%; in terms of packing design, the integral bulk pack design was adopted to reduce the number of welding points, steel strips and end plates by 50%; at the system level, the number of information collection points and cables has been reduced by 50%.
Process innovation has always been at the heart of EVE Energy’s technological innovation. For example, the 14μm separators selected by EVE Energy for its Mr. Flagship series have a thickness well above the industry standard and significantly improve the safety performance of batteries.
According to Yuan Dingding, this one has specially coated separator technology an excellent thermal shutdown effect. When the temperature reaches a critical value, the coating particles melt, avoiding potential hazards. In addition, double-sided coating is carried out to ensure the To increase the safety of the separators.
As the first company to introduce the Mr. Flagship Series and achieve rapid mass production, EVE Energy has made a significant leap in energy storage technology. This progress will effectively drive society’s transformation towards cleaner, more efficient and sustainable energy storage and lead the world into the era of large-scale energy storage.
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