Solar energy utilization

Solar Cell and Modules

Our first-class professional technical talent and advanced production and testing equipment allow us to manufacture crystalline silicon solar cells and cell modules characterised by their high efficiency, high power, high reliability and non-pollution. We are one of China's largest solar cell and cell module manufacturers.

Our mono-crystalline and polycrystalline PV modules consist of high efficiency PV cells, aluminium alloy, EVA film, toughened low-iron content glass and TPT.

• High power/area ratio;
• High reliability;
• Anti-UV, anti-aging;
• Wind strength as 2400pa;
• 20-year usage period, with an output power no lower than 80%

Solar Backsheet

HS CODE：3920 6200 00

Product Application:
PV module manufacturing industry
Application: Featured with reliable insulation, water-resistance and aging-resistance, it can protect and support the solar cells and cell modules, ensuring its safe operation within the life cycle of 25 years.

Market Location:
In 2022, the global installed PV capacity is 182GW, with the proportion of dual-glass modules gradually increasing (without backsheet), and the demand for backsheet is about 600 million square meters.

Our annual production capacity is 100 million square meters, with the sales volume of 76.7 million meters in 2022 (including the export of 3.50 million meters).

We have cooperation with the global head customers of the direct upstream components of the solar module.

The export target markets of us are the overseas factories of domestic PV solar module company and some large-scale regional and international solar module factories.

Quality level:
It conforms with the technical requirements of GB/T31034, IEC 62788-2 and UL94.

Export policy restrictions: None

Key Types：
White：TPCw2、KPCw1、CPCw1
Transparent：TPCw1、KPCt1、CPCt1
Black：CPCh1

Hydrogen energy utilization

Hydrogen liquefaction system

Technical features:

• Liquid hydrogen output: 2t/day
• Combined advantages of high density, high purity and high safety
• The parahydrogen content of the liquid hydrogen product exceeding 97.4%
• Based on extensive hydrogen application experiences and safety technologies accumulated in liquid rocket engines
• Utilizing testing platforms especially designed for liquid hydrogen

Hydrogenation station

Technical features:

• Development and reliability verification platform for cryogenic liquid hydrogen pumps
• Experienced in researches on gas compression and liquid hydrogen compression
• Development and validation of BOG processing systems
• Excellent in developing hydrogen filling facility, station control system and safety insurance mechanism

Applications:

• Construction of the first integrated device for water electrolysis and high-pressurehydrogenation in Hainan Province
• Design and construction of9 gas hydrogen filling stations and 1 liquid hydrogen storageand filling station for Zhejiang Provincial Energy Group Company Ltd

Fuel cell system

Parameters：

Fuel cell system output power:1kW~110kW; Working temperature: -30℃~55℃; Rated efficiency:42%; High power density; Well integrated; Adapted to high and low temperature; Quick response.

Application field:

It can adapt to the marine, automotive and fuel cell power etc.

System functions：

Renewable energy power generation - water electrolysis - hydrogen storage - fuel cell power generation -utilization of electricity/ hydrogen / oxygen.

The operation mode coordination strategy and control technology of wind, light and other renewable energy and hydrogen energy systems based on multi-objective optimization control theory have been realized by the intelligent sensing and off-grid multi-energy control module. The discrete-continuous hybrid control method is used to realize the coordinated decision of the top energy state conversion and the continuous control of the bottom units.

Application field :

It can adapt to the hydrogen storage in remote areas, border posts, offshore islands, and other application scenarios.

Hydrogen Production from Renewable Energy and Energy Storage System

Parameters:

Shape size: standard military shelter, box frame and modular structure; Main components: photovoltaic unit, fuel cell unit, energy storage and energy management unit, stealth power station unit, each unit and its power demand is optional; Working mode: realizing the overall power supply, unit independent external power supply, and multi power supply system parallel expansion; Output characteristics: single-phase AC, three-phase AC, DC, selected according to demand.

Application:

It provides a safe and reliable battlefield energy supply for command information system, intelligence reconnaissance system, combat equipment system, and base life system, and for future intelligent warfare.

Functions and advantages:

• Having well modularity and scalability, special environment adaptability, high efficiency and high reliability;
• Various units can be supplied separately and multiple power supply systems can be expanded through AC bus to form a large-scale power supply system to meet the stable and reliable demand and ensure the reliability and diversification of military electricity.
• It can improve the security of energy security, meet the battlefield diversified energy needs, and achieve smooth switching between islanded operation and grid-connected operation of power system.

Application characteristics:

• The solar panels are installed on the spare roofs to generate power
• The wind turbines were installed in the park
• The solar photovoltaic power generation system and the wind power generation system are connected to the grid directly. After the inverter is converted into AC, the load is supplied to the factory for use
• When renewable energy is sufficient, excess electricity is stored in batteries and hydrogen
• When the renewable energy is insufficient, the power in the plant is supplemented by energy storage and hydrogen energy, without manual switching by the owners
• Equal amount of heat can be obtained when hydrogen is used

Key Components

Fuel cell stack

Parameters：

Fuel cell output power: 1kW~ 110kW, Power density:2.6L/W, Low temperature start: -30℃without auxiliary heat source, adapt to the vehicle vibration environment , and the test performance has reached the domestic leading level.

Application field:

It can adapt to the marine, automotive and fuel cell power station, etc.

Central controller

Parameters：

Channel number : nearly 80 physical resources ( including voltage, current, temperature, digital quantity, switching quantity, PWM output, etc. ). Measurement and control accuracy : < 0.5 %. Electromagnetic compatibility: following GJB, GB and ISO related test requirements. Low temperature and low pressure environment : -40℃, 5.5 kPa. Protection level : IP67

Application:

The core controller is developed based on TI's DSP or Freescale and Infineon processors. The controller has the advantages of rich measurement and control resources, complete interface types, high reliability and mass production. Interface embedded driver library and related upper calibration software can be provided.

Single-chip voltage detector for stack

Parameters：

Measurement and control channel : single board 30 channels, extensible. Measurement and control accuracy: <1%. Single-chip measurement range : 0V ~ 2.5V. Communication : Follow CAN2.0B protocol. Working voltage : 18V ~ 32V. Working environment temperature : 0 ℃ ~ 50℃. Size : 230mm×180mm × 80mm.

Application:

Single-chip data monitoring of fuel cell stack.

Fuel cell system simulation platform

System functions：

• Combined with the core controller of hydrogen fuel cell power system, the measured data of fuel cell stack, key execution components and key loop subsystem are analyzed and the digital model library is established.
• Verify the correctness of core controller hardware and software.
• Component and subsystem-level modeling and simulation.
• Power system level modeling and simulation.