New Energy Battery Industry Solution

New energy power batteries, energy storage batteries, solid-state batteries and supporting battery equipment continuously operate under extreme working conditions including high voltage, strong electrolyte corrosion, repeated thermal cycling and high-current charge-discharge. These scenarios impose stringent requirements on the corrosion resistance, structural stability, electrical conductivity consistency, high-temperature resistance and aging resistance of core materials. With more than 30 years of professional experience in processing refractory and special metals, Baoji Yunjie Metal provides customized high-precision special metal materials and precision component solutions for core processes such as lithium battery substrate manufacturing, battery sintering tooling, vacuum thermal fields, welding electrodes, sealing structures and solid-state battery protective components. Our products fully meet the high-end manufacturing demands of consumer lithium batteries, power batteries, large-scale energy storage batteries and next-generation solid-state batteries.

Core Material Advantages & Product Recommendations

Based on the unique physical and chemical properties of seven major metal materials and the technical pain points of the new energy battery industry, we provide fully adapted, parameter-controllable and third-party testable material solutions covering cell preparation, battery sintering, vacuum packaging, precision welding and energy storage equipment supporting applications:

1. Copper: High-Conductivity Core Substrate & Current Collector Material

Copper features excellent electrical and thermal conductivity, superior ductility and stable electrochemical compatibility, serving as an indispensable core material for the new energy battery industry. It is widely applied in current collectors, conductive structural parts and precision welding components of power batteries and energy storage batteries. High-purity copper substrates present low resistance, strong current carrying capacity and low heat generation during charging and discharging, effectively improving battery charging and discharging efficiency, reducing energy loss and extending cycle life. Baoji Yunjie supplies high-purity copper foil, copper strip, precision copper stamping parts, copper conductive connectors and custom-shaped copper components with high purity, oxidation-free smooth surface and controllable dimensional accuracy. The ultra-thin and uniform thickness perfectly matches mass production requirements of lithium battery pole pieces, bus bars, tab adapters and conductive structures for energy storage equipment.

2. Molybdenum: Core Material for Battery Thermal Control & Clean Sintering

Molybdenum possesses uniform thermal conductivity, low outgassing rate, excellent electrolyte corrosion resistance and high-temperature creep resistance. Its thermal conductivity is 3 times that of stainless steel, maintaining stable dimensions and zero impurity precipitation under long-term high-temperature conditions. It is the key substrate for lithium battery cathode material sintering and cell vacuum annealing, effectively solving common industry problems such as uneven temperature distribution, powder falling, impurity contamination and tooling deformation during battery sintering. Baoji Yunjie mass-produces precision molybdenum foil, molybdenum strips, molybdenum heat shields, molybdenum sintering trays and molybdenum conductive connectors. The creep rate is only 0.02% per 1000 hours at 1200℃, ensuring high furnace cleanliness and consistent battery material quality and cell performance.

3. Niobium: Corrosion-Resistant Conductive Substrate for Battery Doping Optimization

Niobium exhibits outstanding chemical stability, strong resistance to strong electrolyte corrosion and excellent ion conductivity. As a cathode doping material for lithium batteries, it improves electronic conductivity, expands lithium-ion intercalation channels and reduces cation disorder, significantly enhancing battery rate performance and cycle stability. It adapts to a wide temperature range with no cracking or failure under thermal cycles from -200℃ to 1500℃. Baoji Yunjie provides high-purity niobium plates, niobium foil, precision niobium stamping parts and niobium conductive structural parts with purity ≥99.9%, perfectly matching electrode supporting and precision structural component demands of high-end power batteries, fast-charging batteries and long-cycle energy storage batteries.

4. Titanium: Lightweight Corrosion-Resistant Material for Current Collectors & Sealing Parts

Titanium alloy features high specific strength, excellent acid and alkali electrolyte corrosion resistance and superior oxidation resistance, adapting to extreme temperature environments. It solves the traditional problems of easy oxidation and short service life of copper and aluminum current collectors, becoming the preferred material for next-generation high-performance battery current collectors, battery shell seals and energy storage equipment protective components. Baoji Yunjie’s high-purity titanium foil, titanium plates and precision titanium stamping parts have controllable surface roughness and dimensional tolerance within ±0.01mm, with high mechanical strength and good fitting performance. They are widely used in fast-charging lithium batteries, energy storage batteries and special-shaped cell packaging to improve overall battery stability and service life.

5. Zirconium: Anti-Corrosion & Anti-Aging Special Material for Battery Production Equipment

Zirconium metal features excellent electrolyte scouring resistance, acid and alkali corrosion resistance, low-temperature toughness and high thermal stability. It remains corrosion-free and precipitation-free after long-term immersion in lithium battery electrolyte, suitable for inner lining, flow guide structures and precision accessories in battery formation, aging and cleaning processes. It maintains excellent high-temperature oxidation resistance at 800℃ and structural stability under extreme thermal cycling conditions. Baoji Yunjie’s zirconium plates, zirconium rods and precision zirconium processed parts adapt to long-term harsh corrosive working conditions in lithium battery production, reducing equipment loss and improving product yield.

6. Nickel: Core Substrate for Battery Conductive Structures & High-Temperature Tooling

Nickel metal delivers stable electrical conductivity, excellent creep resistance, electrochemical corrosion resistance and weldability. It serves as the fundamental material for battery tabs, conductive connecting sheets, bus bars and high-temperature tooling. It effectively reduces contact resistance and heat loss during charge and discharge, improving battery efficiency and cycle stability. Baoji Yunjie supplies high-purity nickel foil, nickel strips and precision nickel stamping connectors with high purity and excellent batch consistency, fully supporting conductive structure assembly for power batteries and energy storage batteries.

7. Tantalum: Long-Life Passivation & Protective Material for High-End Energy Storage Batteries

Tantalum metal features extreme corrosion resistance, ultra-low leakage current and stable chemical properties. Tantalum-based oxide additives effectively suppress battery capacity attenuation and greatly extend battery cycle life. With ultra-high temperature resistance, stable thermal expansion coefficient and non-magnetic, pollution-free characteristics, tantalum is ideal for passivation protection and precision structural components of high-end energy storage batteries, military supporting batteries and precision energy storage devices. Baoji Yunjie’s tantalum foil and precision tantalum processed parts maintain stable performance under complex electrochemical working conditions, ensuring long-term safe energy storage.

Core Solution Advantages

• Full Material Coverage & Accurate Scene Adaptation

Equipped with seven core metal materials including copper, molybdenum, niobium, titanium, zirconium, nickel and tantalum, covering the entire industrial chain of cell preparation, sintering, annealing, packaging, welding and energy storage equipment supporting applications to provide customized optimal material solutions.

• High Cleanliness & Zero Contamination for High-Purity Battery Processes

All substrates reach purity ≥99.9% with low vacuum outgassing, no high-temperature precipitation and no powder falling, eliminating impurity contamination and ensuring consistent cell quality and high product yield.

• High-Precision Machining for Micro & Ultra-Thin Cells

Supporting ultra-thin, micro and special-shaped precision processing with strict dimensional tolerance control within ±0.001mm, meeting the precision assembly requirements of new ultra-thin cells, special-shaped batteries and solid-state batteries.

• Full-Link Quality Control & Stable Performance

Independent full-process production from raw material screening, rolling and heat treatment to precision stamping, machining and finished product inspection. The flaw detection qualification rate of key components reaches over 98%, far exceeding the industry average.

• Flexible Customization & Fast Delivery

Supporting drawing customization, rapid die opening and performance parameter adjustment. Standard products are in stock for immediate delivery, and customized orders can be completed within 15 days, adapting to the rapid iteration rhythm of battery mass production.

Note: All battery supporting products mentioned above support third-party testing including mechanical performance, chemical composition and non-destructive inspection. Complete material certificates, test reports and compliance documents can be provided to meet the supplier qualification audit standards of leading battery enterprises.