Ampace has an excellent team of material experts, and has independently developed a number of positive electrodes, negative electrodes, electrolytes, isolating materials of thin films and solid state, etc. Built on more than 20 years R&D and production of lithium ion batteries, the team has mastered the core technology of lithium battery chemical system design, and has developed numerous advanced technologies that led to well-known lithium ion batteries with superior quality, safety, reliability and high competence in costs.
Built on an in-depth understanding of battery gene from 20+ years of R&D on Lithium ion batteries, Ampace is continuously leading technology and product innovations, providing global users with safe, reliable, intelligent, efficient, green and environmentally friendly new energy products, solutions and services
It involves three major technology sectors of intelligent sensing, intelligent algorithms and intelligent synchronization, enabling a more economical, safer and reliable green energy solution.
Advanced chemistry with high nickel (811 , Ni% more than 90%)
New Si/Gr composite material
Design by particle size and crystal structure ratio
Through a special material composite process
A patented technology CTM is the first pouch cell CTM (Cell to Module)
CTC (Cell to Chassis) technology
This is a patented technology that the surface and structure of anode material are optimized such that the Li consumption is significantly reduced in normal battery operation, leading to a stable anode with low level of dead Li, therefore a longer battery life, good for the requirements where super long battery life is essential.
This is a patented technology that the defects at solid electrolyte interface (SEI) film are repaired automatically thru a specially designed electrolyte, which ensures the integrity and stability of SEI, and improves the cyclic and storage performance of the battery cell.
This is a patented technology that the cathode material particles and structure are optimized such that the activity of the cathode material is adequately reduced, and then reactivated when needed. The active lithium is slowly released, leading to a reduced capacity degradation.
This is a patented technology that has been developed to supplement the active lithium in the cell during the normal battery operation, leading to a high level of active lithium in battery cells, or slow capacity degradation, therefore a longer battery life and a higher value to customers.
Based on the pressure requirements on battery cells, and the swelling characteristics of the battery, a precise compression structure is designed to accurately mitigate the cell swelling during the cycling process, leading to the long cyclic performance of battery pack.
Through a real time status monitoring system, the balancing hardware can effectively mitigate cell inconsistencies and reduce the capacity loss of the battery pack due to the unbalanced cells.
Using advanced zero-dimensional, one-dimensional, and two-dimensional carbon nanomaterials, a multi-level electronic network skeleton range from points and lines to planes is built to enhance the electron transmission path, improve the conductive response speed of the active material, and greatly increase the speed of lithium-ion de-intercalation.
Starting from the morphology and phase structure of the material, graphite that can spontaneously choose the optimal orientation in the electrode is designed to shorten the length of the conduction path of lithium ions in the electrode, prevent the accumulation of lithium ions during fast charging process, and inhibit lithium dendrites, so as to achieve ultra-fast migration of lithium ions.
By introducing a new electrolyte formula with ultra-low viscosity and high conductivity, the resistance of lithium ions to travel between the liquid phase and the solid-liquid interface is greatly eliminated, realizing fast charging.
A new separator posses both ultra-high porosity and high infiltration properties. It effectively improves the liquid retention capacity of the separator, greatly reduces the resistance of lithium ion transmission, and realizes the unimpeded transport of lithium ions in the separator.
A heterogeneous electrode structure is constructed, which adjusts the number of lithium-ion transmission channels at the solid-liquid interaction interface, and reduces the length of the lithium-ion solid-phase diffusion path to achieve the same effect of three-dimensional porous electrodes.
Intelligent algorithm technology is introduced to realize online tracking of battery cell health status and charging capacity, and to adjust the adaptive charging speed and provide user interface interaction during use.
High-throughput screening of the “material gene bank” is carried out, which ensures energy density while increasing the difficulty of oxygen release to improve the thermal stability of the material through elemental doping; in addition, with the improvement of electrolyte genes, the reaction heat production between the solid-liquid interface is effectively reduced, and the thermal safety of the battery is significantly improved.
The original advanced nano-coating technology forms a stable and dense safe interface layer on the surface of the electrode, which greatly reduces the surface activity of the material and significantly improves the thermodynamic stability of the battery cell. At the same time, with the high-safety complex fluid, the reaction between the Al electrode and the anode can be effectively reduced, and the thermal safety and puncture resistance of the battery cell can be significantly improved.
Through the structural design of ultra-high heat resistance and ultra-low thermal conductivity materials, as well as turbulence cooling, pressure relief and explosion relief, the combination design of anti-burning materials and safety structures has been achieved, which does not burn and also improves the safety performance of the pack.
In view of the safety characteristics of cabinet products, technologies such as real-time safety detection, active pressure relief, passive directional explosion-proof, and fire-fighting linkage are used to realize all-round and multi-means layer-by-layer protection of cabinet thermal runaway scenarios, so as to ensure that the cabinet cannot explode.
During the life cycle of pack product, the swelling state of cell is managed through structural design to form a structural early warning mechanism for abnormal swelling of the cell, which improves the safety performance of the product.
By analyzing, mining, extracting deep features of data, inducing the intrinsic relationships of feature variables, and combining signal detection and transmission technology to create a real-time fault detection system and achieve battery warning, even the smallest anomalies are not invisible.
The new anode with higher reaction activity combined with the cathode with multi-dimensional lithium ion transport channels and the new electrolyte with ultra-low solidification point that makes lithium ions bear less transport resistance in the electrode material and electrolyte, significantly improving the charging and discharging performance of the battery cell at low temperature and realizing the unrestrained use in the extremely cold environment.
The self-preheating structure device of the battery cell is introduced to realize the closed-loop management of the battery cell temperature, so that the battery cell is always in a comfortable temperature working range, expanding the adaptability to extremely cold working conditions.
Pulse heating technology that can maximize the uniform heating of the battery cell, overcome the uneven heating of the battery cell caused by the conventional heating method of heating film, preserving battery life and anti-aging.
Based on the equivalent circuit model and the extended Kalman filter high-precision SOC estimation and rapid correction of SOC errors caused by hardware are realized.
Through the use of online resistance intelligent algorithm technology, combined with the power state (SOP) calculation model, real-time SOP value acquisition under any environmental conditions is realized to ensure that no safety incidents occur due to insufficient power.
24-Hour Full Cycle of Battery
Comprehensive monitoring
Combining the battery mechanism and test data, an open-loop life prediction model is built, and the actual field data is used to correct the model error in a closed loop, thus achieving high-precision state of health prediction and real-time estimation.
Relying on the intelligent battery management system (BMS) fast-charging strategy, based on the sensitive identification of temperature and SOC, the battery can be quickly charged in a healthy charging interval and the battery is protected from fast charging damage.
Based on the quantitative analysis of the battery aging stress factors and the adaptive control of these factors during field application, the service life of the battery is optimized.
Through wireless communication in the battery pack, the sampling wire harness is simplified, the risk of connector failure is reduced, the efficiency and reliability of pack assembly are improved, the complexity and overall cost of pack technology are reduced, allowing better support of future smart management solutions.
The functions of BMS and IoT are combined into Cloud BMS. Through machine learning and training of data, the battery can be guarded full-time, and the whole life cycle software updates can be carried out through OTA to make the battery safer, longer, and more efficient.
Based on Cloud BMS, by coupling the battery model and the aging model, the aging parameters of the battery cell are estimated online, obtaining the degree of material aging information, which can accurately evaluate the aging state and predict the remaining life of the battery.
