Dongguan Gonghe Electronics Co., Ltd.

Dongguan Gonghe Electronics Co., Ltd. Dongguan Gonghe Electronics Co., Ltd. the graphene super capacitors batteries Manufacturer

14/11/2025

Cutting Open a Solid-State Battery — Zero Risk, Zero Liquid! 🔥
Today, our client visited our factory for an on-site inspection.
We conducted a simple yet powerful demonstration — cutting open our solid-state battery with scissors ✂️ right in front of them.
✅ No liquid leakage
✅ No smoke or fire
✅ Completely dry and safe structure
This is the true advantage of next-generation solid-state energy storage technology — high safety, high stability, and long lifespan.
At Gonghe Energy, we continue to push the limits of battery innovation to deliver safer and more reliable energy solutions for our partners worldwide. 🌍⚡

21/08/2025

Supercapacitor Battery Cell — Safety Meets Extreme Performance ⚡

4.2V2400F (9Wh) supercapacitor battery cell combines the high energy of batteries with the high power and long life of supercapacitors.

✅ Continuous discharge up to 25A, pulse currents up to 50A
✅ Cycle life exceeding 20,000 cycles with active cooling
✅ Wide operating range: -40°C to +55°C
✅ Compact and lightweight: just 65g per cell

In a recent nail pe*******on test, the cell showed outstanding thermal stability — no fire, no explosion — proving its intrinsic safety even under extreme abuse.

With its unique balance of power, durability, and safety, this supercapacitor battery cell is ready for the most demanding applications: energy storage, transportation, defense, and harsh environments.

👉 We believe supercapacitor battery technology is setting a new benchmark for the future of safe, high-power energy storage.

18/07/2025

🚀 Supercapacitor Thermal Test | 3.8V 9000F Cell in Action
Today we pushed our 3.8V 9000F supercapacitor battery cell through a real-world temperature stress test — and the results speak for themselves.

🔥 At over 80°C, the cell remained stable and safe, with no swelling, no fire, and no voltage drop. Even when the cable tabs began heating up, the core cell performance remained solid.

✅ Supports up to 120A pulse current
✅ Designed for automotive start-stop, UPS, cold climate systems, and more
✅ Tested at low temperatures down to -40°C
✅ Over 50,000 start cycles lifespan

This kind of thermal resilience makes it ideal for harsh environments and high-current applications.

📩 Interested in samples or more test data? Let’s connect — contact Eva directly in comments or DM.

🔧 Full unedited test video included. Like & share if you'd like to see the -40°C discharge test next!

🚀 High Energy Density Cells Are Here!We’re thrilled to announce that our next-generation high-energy-density cells have ...
30/04/2025

🚀 High Energy Density Cells Are Here!
We’re thrilled to announce that our next-generation high-energy-density cells have officially entered third-party reliability testing. Early results?
Over 400 Wh/kg! ⚡

These cells offer a wide range of applications with enhanced performance, including lightweight batteries (customizable soft pack batteries under 100Ah), carbon-based capacitor batteries, silicon-carbon batteries, graphene batteries, and solid-state batteries.
Key features include:

Material lifespan of 8,000 cycles

Operating temperature range: -20°C to 60°C

Advanced battery technologies like CNT capacitive batteries and nano-silicon capacitors

Here are just a few of the innovations powering the future of energy:

Carbon nanotube (CNT) batteries

Nano-carbon capacitors

4.2V 157Wh 40Ah cells

Our samples are currently undergoing testing, and we are ready to take pre-orders. Don’t miss out on shaping the next generation of energy solutions.
📦 Pre-orders are open.
📅 Let’s collaborate and accelerate innovation together!

29/04/2025

🚀 2.7V 100,000F Supercapacitor|Proven Safety and Reliability!

Our 2.7V 100,000F supercapacitor had successfully passed the nail pe*******on test — no fire, no explosion, and stable performance under extreme destructive conditions!

This achievement highlights the superior reliability and safety of our supercapacitors, even in the toughest environments.

🔋 Ultra-high capacitance, worry-free safety
🛡️ Outstanding performance in extreme tests
🌍 Widely applied in energy storage, rail transit, heavy machinery, and more

Powering a safer, greener energy future!

We often hear: "Why is your module more expensive than others?" 🤔The answer lies in the details, the technology, and the...
27/03/2025

We often hear: "Why is your module more expensive than others?" 🤔The answer lies in the details, the technology, and the craftsmanship that go into each of our modules. 🔋 Let’s take a closer look:
20,000+ Cycles Guaranteed – No Exaggerations, No Word Games. Just Real Performance.
🔧 Our focus is on delivering long-term reliability, better safety, and real-world performance.
When you buy quality, you’re not just paying for a module—you’re investing in better energy storage and lower long-term costs. 💪

23/08/2024

Supercapacitor Car Starter Battery Test: Successful Startup with Our Company's Vehicle!

01/03/2024

Introducing Our Paper-Based Supercapacitors

Gonghe energy
We are thrilled to present our cutting-edge paper-based supercapacitors, a breakthrough in energy storage technology. These supercapacitors boast an exceptional energy density, reaching up to an impressive 220 Wh/kg. This high energy density positions them as a remarkable solution for various applications.

Safety is our top priority, and we are proud to emphasize the outstanding safety features of our paper-based supercapacitors. In a demonstration captured in the video, our supercapacitors exhibit remarkable resilience – they are pe*******on-resistant and do not undergo explosions or hazardous events, highlighting their exceptionally high safety standards.

Key Features:

High Energy Density: Achieving up to 220 Wh/kg, our paper-based supercapacitors offer an unparalleled energy storage solution.
Safety Assurance: The video demonstration showcases the superb safety features of our supercapacitors, ensuring peace of mind for users.
These paper-based supercapacitors represent a leap forward in energy storage technology, offering a potent combination of high energy density and unparalleled safety. We are excited about the potential applications these devices unlock and are confident in their ability to revolutionize the energy storage landscape.

For more information or to witness our paper-based supercapacitors in action, please refer to the attached video. Feel free to reach out with any inquiries or further details.

Super capacitor street lights offer several advantages over traditional street lights that use conventional energy stora...
04/07/2023

Super capacitor street lights offer several advantages over traditional street lights that use conventional energy storage methods such as batteries. Here are some key advantages of super capacitor street lights:

1. Rapid Charging and Discharging: Super capacitors have an extremely high power density, allowing them to charge and discharge quickly. This means that super capacitor street lights can store energy rapidly during the day and release it efficiently during the night, providing consistent and reliable lighting.

2. Long Lifespan: Super capacitors have a significantly longer lifespan compared to batteries. While batteries typically require replacement every few years, super capacitors can last for tens of thousands of charge-discharge cycles. This longevity reduces maintenance costs and the environmental impact of disposing of used batteries.

3. High Efficiency: Super capacitors have low internal resistance, which leads to high energy efficiency during charging and discharging. This means that a larger portion of the energy stored in the super capacitor is effectively utilized, resulting in less energy loss and lower operating costs.

4. Wide Operating Temperature Range: Super capacitors are capable of operating efficiently across a broad temperature range, from extremely cold to extremely hot conditions. This makes them suitable for various climate conditions, ensuring reliable performance in different environments.

5. Environmental Friendliness: Super capacitors are environmentally friendly energy storage devices. Unlike batteries, they do not contain harmful chemicals or heavy metals that can pollute the environment. Additionally, super capacitors can be recycled, further reducing their environmental impact.

6. Quick Response Time: Super capacitor street lights can respond rapidly to changes in lighting requirements. They can quickly adjust their brightness levels or turn on/off in response to external factors like ambient light conditions or the presence of pedestrians, resulting in improved energy efficiency and better utilization of resources.

7. Enhanced Durability: Super capacitors are generally more robust and durable than batteries. They are less prone to damage from overcharging or deep discharging, making them more reliable in demanding outdoor applications like street lighting.

Overall, super capacitor street lights offer advantages such as rapid charging, long lifespan, high efficiency, wide temperature range, environmental friendliness, quick response time, and enhanced durability. These factors make them an attractive choice for energy storage in street lighting systems.

Address

601room, Builing 3, No. 1 Yile Road, Songshan Lake, Guangdong, CN, 523815
Dongguan
513000

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