Against the backdrop of the dual carbon goals, grid integration of new energy and rapid expansion of power energy storage systems, PV energy storage systems are being upgraded toward higher power density, superior safety, longer service life and large-scale manufacturing. Whether for residential energy storage, commercial & industrial energy storage or large-scale energy storage power stations, battery packs, BMS, CCS busbars, thermal structures and sealing protection impose stricter requirements on adhesive materials.
ELAPLUS Functional Materials (Shanghai) Co., Ltd. delivers systematic adhesive solutions for core applications including PV energy storage adhesives, energy storage battery potting compounds, BMS three-proof coatings, CCS UV adhesives, battery pack thermal conductive adhesives and pack sealants. Our solutions help customers improve the safety, reliability, weather resistance and production efficiency of energy storage systems.
1. Why Do PV Energy Storage Systems Require Professional Adhesives?
PV energy storage equipment operates in harsh complex environments, enduring high-low temperature cycling, humidity & heat, dust, salt spray, vibration and impact, as well as heat accumulation and structural stress fluctuation during battery charge-discharge cycles. Improper adhesive selection may trigger bonding failure, degraded insulation, sealing leakage, insufficient thermal management and accelerated module aging.
Therefore, adhesives in PV energy storage systems are far more than simple fixing materials. They undertake multiple functions: structural bonding, insulation protection, moisture & corrosion resistance, heat conduction & dissipation, shock absorption, waterproof sealing and lightweight design.
Tailored to operating conditions of different positions in energy storage battery systems, ELAPLUS has built a full adhesive product matrix ranging from battery structural bonding to pack sealing.
2. Battery Structural Bonding: PUR 1610AB Balances Strength & Flexible Cushioning
Reliable bonding is required between cells, structural components, brackets and housings of energy storage battery modules, while accommodating minor deformation and vibration impact during operation.
Recommended Product: PUR 1610AB Polyurethane Structural Adhesive
PUR 1610AB is a 1:1 two-component polyurethane system featuring low odor, low VOC, strong adhesion, excellent flexibility and high elasticity, ideal for structural bonding and buffer fixation of energy storage batteries. It reaches Shore D hardness of 75, thermal conductivity of ~0.4 W/m·K, and operating temperature range of -40℃~120℃, satisfying comprehensive demands for strength, toughness and durability in most energy storage structural bonding scenarios.
Application Values
■ Enhance structural stability of batteries
■ Buffer vibration and stress impact
■ Improve long-term structural reliability during operation
■ Suitable for pack structural bonding and module fixation of energy storage batteries
3. BMS & CCS Busbar Protection: Dual Protection via Three-Proof Coatings & UV Adhesives
BMS and CCS serve as core electrical connection and signal control units of energy storage systems, vulnerable to moisture, dust, condensation, corrosion and electrical stress during long-term operation. Thus BMS three-proof coatings and CCS UV adhesives play a vital role in the system.
3.1 Coating 9007 Silicone Three-Proof Coating
Recommended Product: Coating 9007
Coating 9007 is a single-component silicone resin conformal coating for surface protection of BMS boards, CCS busbars and electronic components. It is transparent, insulating, moisture-proof and anti-corrosive, with heat resistance up to 150℃, boosting electrical reliability of electronic systems under harsh conditions.
Application Scenarios
■ Three-proof protection for BMS circuit boards
■ Moisture & corrosion resistance for integrated CCS busbars
■ Insulation protection for electronic components
■ Reliability improvement for energy storage system control boards
3.2 UV MA 1013 UV-Curable Adhesive
Recommended Product: UV MA 1013
UV MA 1013 is a UV curable adhesive with fast curing in 5–10 seconds, colorless semi-thixotropic texture, excellent coverage for solder joints and strong adhesion to FPC. It fits CCS busbars, FPCs, solder joint protection and rapid positioning fixation.
Application Advantages
■ Fast UV curing speed, compatible with automated production lines
■ Perfect coverage for solder joints to strengthen protection
■ Outstanding adhesion performance on FPC
■ Improve production efficiency and consistency of CCS modules
4. Lithium Battery Potting: PUR 1685AB & SIPA 2100-7# for Diversified Potting Requirements
Potting materials for lithium energy storage batteries need insulation, moisture resistance, shock buffering, temperature resistance, seismic performance and long-term stability. To meet varied requirements for density, flexibility and weather resistance, ELAPLUS provides two solution lines: polyurethane foaming potting compounds and low-density silicone potting compounds.
4.1 PUR 1685AB Foaming Potting Compound
Recommended Product: PUR 1685AB
PUR 1685AB is a solvent-free 1:1 foaming potting compound with good flowability and superior post-curing flexibility, applicable to partial potting, buffer filling and structural protection of energy storage batteries.
Product Features
■ 1:1 two-component system
■ Good fluidity for easy potting operation
■ Excellent flexibility after full cure
■ Ideal for positions demanding high buffer and protection performance
4.2 SIPA 2100-7# Low-Density Silicone Potting Compound
Recommended Product: SIPA 2100-7#
SIPA 2100-7# is a 1:1 low-density silicone potting compound with density of 0.6~0.7 g/ml, developed for energy storage systems requiring lightweight design, wide temperature tolerance and long-term stability. Its service temperature spans -60℃~200℃, adapting to a broad range of ambient working conditions.
Application Advantages
■ Low density to facilitate system lightweighting
■ Silicone matrix delivers superior weather resistance
■ Stable performance across wide temperature ranges
■ Perfect for outdoor PV energy storage equipment and long-lifespan reliability applications
5. Thermal Conduction for Battery Bottom & Cabin: Combined Heat Dissipation via Thermal Gels & Thermal Structural Adhesives
Thermal management of energy storage systems directly determines battery lifespan, safety and charge-discharge efficiency. Thermal conductive gels, thermal structural adhesives are applied between battery bottoms, cabins, heat sinks and structural joints to lower thermal resistance, fill gaps and boost heat dissipation efficiency.
5.1 TCMP 1920-2K Thermal Gel
Recommended Product: TCMP 1920-2K
TCMP 1920-2K is a 1:1 thermal gel with thermal conductivity of ~2.0 W/m·K, featuring detachability, reworkability and stable thermal performance, designed for thermal filling between battery bottoms and cabin housings.
Application Values
■ Efficiently fill interfacial gaps
■ Reduce thermal resistance and upgrade heat dissipation efficiency
■ Detachable and reworkable for convenient maintenance
■ Dedicated to thermal management at the bottom of battery packs
5.2 PUR 1655AB Thermal Structural Adhesive
Recommended Product: PUR 1655AB
PUR 1655AB is a 1:1 thermal structural adhesive with thermal conductivity ranging from 1.2 to 2.0 W/m·K, suitable for scenarios requiring both structural bonding and thermal management.
Product Advantages
■ Integrates thermal conduction and structural bonding functions
■ Fits connections between battery bottoms, cabins and structural parts
■ Optimize overall thermal management efficiency
■ Reinforce holistic system reliability
6. PACK Sealing: SIPC 1859 & MA 9130AB Upgrade Waterproof & Dustproof Performance
Energy storage battery packs require high sealing protection grades to withstand rain, humidity, dust, oil stains and temperature fluctuations in outdoor environments. Hence pack sealants must combine reliable sealing, weather resistance, oil resistance and maintainability.
6.1 SIPC 1859 Silicone Sealant
Recommended Product: SIPC 1859
SIPC 1859 is a single-component room-temperature vulcanized (RTV) silicone sealant with low adhesion, easy rework, excellent oil resistance and stable sealing performance. It works stably from -60℃ to 220℃, for energy storage pack sealing and maintainable sealed structures.
Application Advantages
■ Single-component formula for easy operation
■ Room-temperature vulcanization, friendly production process
■ Simple rework for later maintenance
■ Wide temperature tolerance, oil-resistant and reliably sealed
6.2 MA 9130AB Acrylic Structural Adhesive
Recommended Product: MA 9130AB
MA 9130AB is an acrylic structural adhesive with exceptional fatigue resistance and impact resistance. It is widely used in rail transit, elevators and other fields with strict requirements on structural strength and shock resistance, and can also be extended to structural bonding, sealing and fixing for energy storage equipment.
7. Strengths of ELAPLUS PV Energy Storage Adhesive Solutions
■ Reliable Protection
We supply insulation, moisture-proof, anti-corrosion, dustproof and sealing protection solutions for BMS, CCS, battery modules and pack systems, elevating long-term operational safety of energy storage devices.
■ Lightweight & Weather-Resistant
Low-density potting compounds, silicone materials and wide-temperature formulations meet demands of lightweight design, outdoor deployment and long-term weather stability for energy storage systems.
■ Efficient Thermal Conduction
From thermal gels to thermal structural adhesives, ELAPLUS customizes battery pack thermal conductive solutions for different interfaces, thermal resistance values and rework needs to optimize system thermal management.
■ Compatible with Automated Production
UV fast-curing adhesives, two-component potting compounds, thermal gels and sealants support dispensing, potting, conformal coating and automated assembly processes, matching large-scale mass production.
From PV energy storage adhesives, battery potting compounds, BMS three-proof coatings, CCS UV adhesives, battery pack thermal conductive adhesives to pack sealants, ELAPLUS Functional Materials (Shanghai) Co., Ltd. provides professional, stable and implementable adhesive solutions for PV energy storage, lithium packs and BMS/CCS systems.
Moving forward, ELAPLUS will keep developing higher-performance adhesive materials and technical support to satisfy the new energy storage industry’s demands for safety, reliability, lightweight design, thermal efficiency and automated manufacturing, supporting stable long-term operation of PV energy storage systems.
ELAPLUS Functional Materials (Shanghai) Co., Ltd.
Professional Adhesive Solution Provider for PV Energy Storage, Lithium Packs and BMS Systems
