Technological innovation
Narada is a national high-tech enterprise and a national technological innovation model enterprise, with innovative platforms such as CNAS laboratory, postdoctoral workstations, academician workstations and Zhejiang Equipment Electronics Research Institute. It has core technology patents in new materials, new technologies and new structures of battery power supply, leading and participating in the formulation of many international, national and industrial standards, and has become one of the top 100 enterprises in China’s light industry and electronic information industry for many consecutive years.
National Technological Innovation
Demonstration Enterprise
CNAS accredited
Intrinsic safety of battery cells
It has independently developed coated diaphragm with large aperture and high strength skeleton, which does not collapse at high temperature up to 200oC. With the design of high safety electrolyte, the battery cells can pass limit safety tests such as nail penetration and thermal shock.
Module-level automatic short circuit protection
When the first-level BAU software protection and the second-level BCU short-circuit protection fail to function simultaneously, the module-level short-circuit self-fusing function will be triggered, and the break time is in seconds.
Composite solid electrolyte
The composite solid electrolyte membrane with high ionic conductivity and high stability under high temperature combines the lithium-conducting technology by coating positive and negative electrodes, to avoid the use of flammable organic electrolyte and upgrade the intrinsic safety of materials.
Aerospace-grade thermal barrier
Aerospace-grade aerogel porous material, with unique nano-pore structure, inhibits convection and conduction of air molecules, and the pore wall with super-large specific surface leads to strong heat insulation of reflection and refraction of thermal radiation, which effectively blocks heat conduction between battery cells.
Low impedance 3D conductive network technology
Multi-dimensional composite conductive additive is used to conduct electricity synergistically, chemical bonds are used to anchor the conductive network, and high conductivity bottom coatings are adopted, building an efficient and stable electronic transport network, which contributes to thousands of times of recharge.
Multi-channel collaborative lithium replenishment technology
Multiple collaborative lithium replenishment technologies such as cathode, anode and electrolyte lithium replenishment can timely compensate the loss of active lithium in different stages and realize accurate and controllable lithium replenishment in the whole life cycle.
Anode self-recovering technology
Adopted high-stability compound graphite formula, multi-dimensional lithium intercalation channels are constructed under high capacity and high pressure, which improves the structural stability and dynamic performance of anode. Equipped with self-recovering additives to recover anodes directionally, self-developed long-cycle electrolyte technology achieves 10,000 cycles of life.
CTP technology
Through CTP high-efficiency integrated structure design, the structural components are greatly reduced, the volume efficiency of the battery pack is over 60%, and the floor space is saved by 35%.
Ultra-high nickel cathode
Adopting the ultra-high nickel cathode technology to balance the material structure stability and ultra-high capacity, the energy density of the battery cell is greatly improved.
Silicon anode facilitating initial battery charging
The R&D and application of silicon anode with high initial efficiency, high gram volume and low expansion are realized by pre-lithiated raw material of silicon negative electrode, which contributes to the development of battery cells of high specific energy .
Lithium replenishment with microporous lithium foil
Ultra-thin lithium foil realizes accurate, controllable and uniform lithium replenishment of anodes, and the microporous design promotes electrolyte penetration and improves lithium replenishment efficiency.
High efficiency integrated thermoelectric control technology
Based on the intrinsic coupling relation between the heating process of the battery and the phase transition process of the pole piece particles, combined with the charging and discharging strategy of the battery, a thermoelectric control model and a self-learning optimization algorithm are established to control the temperature difference within 5 ℃.
Life prediction
Based on the data-driven prediction algorithm of battery status, SOX can accurately evaluate the aging state and predict the remaining life of battery cells. The average relative error of the prediction is less than 5%.
Bidirectional DC-DC intelligent lithium battery technology
Intelligent BDC unit, with millisecond active current sharing control, and single cluster charge and discharge management to realize adaptive parallel connection of multiple clusters of batteries, and each cluster can be fully charged and discharged.
Intelligent battery management technology
Intelligent Battery Management System (BMS) monitors the voltage, internal resistance, temperature of each cell, evaluates the SOH of the battery and calculates the SOC, achieving the dynamic management of the battery pack.
Cloud platform
Energy storage cloud platform based on cloud-edge collaboration and big data Al + algorithm realizes the digital energy management and intelligent operation and maintenance.


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