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High Precision Battery Test Equipment

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Materials Research

Arbin’s MSTAT is a multi-channel potentiostat/galvanostat designed for battery testing and materials research.  It is the go-to choice for researchers around the world.

Request the free report “How to Evaluate Battery Test Equipment” to learn more about how tester specifications will affect results data.

  • Summary
  • Specifications/Features
  • Options/Auxiliaries
  • Product Series
    Comparison
Summary

High Precision Battery Test Equipment

Voltage: (-5) to 5V*
Current: Max 5A*
Chassis sizes for 4 to 64 channels
* Voltage and Current up to 60V and 100A available

Arbin’s Multi-Channel Potentiostat/Galvanostat (MSTAT) system is designed for high performance electrochemical research of battery materials and advanced battery cell testing. Each channel is an independent potentiostat/galvanostat and gives users full control of test profiles and data logging to offer unmatched flexibility.  No other potentiostat manufacturer offers range of channels, voltage, current, and feature-set as Arbin. Researchers and startup companies who begin working with Arbin can continue to use our battery testing systems and software solutions as they grow and expand.  

The Arbin MSTAT provides true bipolar circuitry to ensure cross-zero linearity with no switching time between charge and discharge. MSTAT hardware provides both digital and analog voltage control. Digital control maximizes the safety of battery cycling and can handle dynamic device resistance, while analog control enables the fast response and stability necessary for electrochemical applications.

This product consists of independent potentiostat/galvanostat channels for testing battery materials and other electrochemical applications, and is intended to provide an economical solution for applications requiring high‐precision measurements and fast data sampling. All Arbin testing systems come with a PC pre-loaded with our MITS Pro and Data Watcher software for creating test profiles, real‐time data monitoring, and data plotting & analysis.  

Electrochemical Impedance Spectroscopy (EIS) is optionally available on all channels and is multiplexed internally.  This means you never have to change connections when performing EIS on the tester.

nyquistcyclic_voltPrimary Applications:

  • Life Cycle Testing
  • dQ/dV & Coulombic Efficiency (HPC) Measurements
  • PITT/GITT
  • Symmetric-Cell Testing
  • Cyclic and Linear Sweep Voltammetry
  • Chronoamperometry 
  • Chronocoulometry
  • Chronopotentiometry
  • Multi-electrode Testing
  • EIS (electrochemical impedance spectroscopy)
  • Half‐Cell Testing and Materials Research
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Specifications/Features

General Specificationsgao_battery_600wx

Measurement Resolution: 24-bit (1 part in 16,777,216)
Measurement Precision: <40ppm
Control Accuracy: <0.02%
Minimum Step Time: 5ms
Input Impedance: 100G Ohm

Data Logging Rate: 2000 points per second, per system
Connection for PC: TCP/IP (Ethernet)
Ventilation Method: air-cooled with variable speed fans

See bottom of page to learn more about how test equipment specifications will affects results data.

        

Key Features:

  • Fully independent high precision test channels with full potentiostatic, galvanostatic control
  • Allows integration with an approved EIS module for 10uHz to 2MHz measurements without changing connection.
  • Each channel provides 4 or more current ranges with industry‐leading 24‐bit resolution
  • Powerful embedded controllers provide fast data logging (2000 points per second, per system ) and control flexibility for the most advanced test requirements
  • Any number of channels can be operated in parallel for increased current‐handling capacity
  • Uses true Bipolar Linear circuitry providing cross‐zero linearity and zero switching time between charge and discharge
  • Systems are air-cooled so no additional facility infrastructure or regular maintenance is needed.
  • Arbin’s advanced software package, MITS 7.0, provides flexible scheduling, a user‐friendly interface, distributed system control, and data acquisition
  • Software provides easy data analysis and plotting based in Data Watcher and Microsoft Excel
  • A wide array of auxiliary inputs/outputs are available for additional data collection or control such as temperature monitoring, additional reference electrodes, and more

Safety:

  • Multiple levels of fusing are provided inside the system for protection as the channel/board and power supply levels.
  • Each channel module has a fully redundant microcontroller dedicated for safety monitoring.
  • Arbin’s software has safety functions for entire tests, and for individual steps within a test to help the user avoid overcharging, over‐discharging, over‐heating, etc.
  • Tests begin with a built‐in safety check of all control values.
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Options/Auxiliaries

auxchassis_smArbin Instruments provides a wide variety of auxiliary modules for expanding the capability of the main charge/discharge control circuitry. Modules can either be placed in the main chassis, or in a small external chassis. This also makes it easy to add auxiliary options to existing systems.

EIS – Interface for an approved 3rd party EIS module to allow EIS measurements without changing connections.
Auxiliary Voltage – Used as additional reference electrodes to measure voltage.
Temperature Thermocouple/Thermistor – Used to record temperature as well as control the test schedule
TCI (Chamber Interface) – Interface with a 3rd party temperature chamber so Arbin software can turn chamber on/off and adjust temperature
MTC (Arbin Multi-Chamber Temperature Chamber) – Arbin offers a compact temperature chamber for battery testing designed to operate between 10 and 60C.  [LEARN MORE]

Digital I/O – Send and receive a simple on/off signal to interact with external devices.
Analog I/O – Control any device operating on a 0(2)‐10V signal.
Auto‐Calibration – Channels may be calibrated automatically when connected to an appropriate digital multimeter (sold separately).
CANBus – Communicate with internal pack circuitry using CANBus protocols.
UPS – Uninterrupted power supply for PC so tests can resume automatically after brief power outages.
Battery Holders and Racks– A variety of battery holders and racks are available for coincells, cylindrical cells, flat/pouch cells, and more.  [LEARN MORE]high-current-cyindrical-battery-holder
RSMS (Redundant Safety Monitoring System) – Fully redundant safety monitoring systems that can disconnect the device being tested in case of failure.  [LEARN MORE]
Shunt – high-precision shunt may be used for calibration of your Arbin system.
coin-cell-holder-largeuniversal-battery-holder

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Product Series
Comparison

Model Voltage Range Current Ranges
HPT-100mA 0 to 5V 100mA/10mA/1mA/100uA
HPT-1A 0 to 5V 1A/100mA/10mA/1mA
HPT-5A 0 to 5V 5A/1A/100mA/10mA
MSTAT ±5V – 5A      ***BEST SELLER*** (-5) to 5V 5A/500mA/20mA/1mA
LBT ±5V – 200mA (-5) to 5V 200mA/10mA/1mA/100μA
LBT ±5V – 1A (-5) to 5V 1A/50mA/2mA/100μA
LBT ±5V – 5A (-5) to 5V 5A/500mA/20mA/1mA
LBT ±5V – 10A (-5) to 5V 10A/500mA/20mA/1mA
LBT 5V – 5A 0 to 5V 5A/500mA/20mA/1mA
LBT 5V – 10A 0 to 5V 10A/500mA/20mA/1mA
Custom LBT models for materials research are available up to 100V and up to 100A. 
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Importance of Precision

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This plot illustrates the difference between an Arbin battery tester and another leading manufacturer.  The two distinct dips in the plot may have been missed using inferior test equipment.  While many companies try to sell the same antiquated equipment for over a decade, Arbin has been hard at work improving our designs to meet future industry demands.  We learned a lot during our three year ARPA-E project to develop high-current high-precision testers, and have implemented this new technology in our MSTAT, LBT and HPT test equipment series.  The HPT and MSTAT systems represent our premium product, but LBT is superior to other standard testers on the market.

 

What Affects Tester Precision
Resolution of DAC
Resolution of ADC
Non-linearity of calibration
Short-term drift (temperature)
Long-term drift (material characteristics)

Arbin Tester Improvements
Higher Resolution
Improved Software Algorithms
New Ways of Temperature Management
New Patented Shunt Design
New Method of Time Keeping
New Materials

 

Measurement precision is more critical for long‐term battery testing and long‐term battery projections than control accuracy alone. Most other battery testing systems do not correctly specify their precision and/or have relatively poor precision, which hinder the conclusions drawn from results data.  Important trends and electrochemical indicators may remain unnoticed; lost in the measurement noise as illustrated above.

 

Our hope is that these higher degrees of measurement precision will lead to new discoveries and characterization metrics across the energy storage industry for all organizations, not only those looking at coulombic efficiency as a key indicator.

How to Evaluate Battery Test Equipment

Batteries are a critical component of many products, and energy storage plays a very active role in our lives even outside of the research/industry setting. Therefore, selecting the right battery test equipment is an important decision for companies and the individual researchers who are responsible for producing results, whether they are starting small, or at massive scale.

 

The expert engineers at Arbin have been advancing the benchmark of “state-of-the-art” battery test equipment for over 27 years. We are defined by innovation, from being the first to apply multiple current ranges on a single test channel to more recently being the only company to offer true high-precision testing for high current applications, and supporting “Turbo Mode” with smart battery modules. We continue to learn from our industry partners and work with them on key technology breakthroughs.

 

The following report shares some of this knowledge using plain terminology and illustrations. Here are five key topics to consider when choosing battery test equipment:

Click to request access to the full report:  “How to Evaluate Battery Test Equipment.”

 

1.  Hardware – Specifications & Quality of Materials [Preview Report]

2.  Software – Usability and Features

3.  Data – Logging, Management, and Analysis

4.  Options – Auxiliary Features and Accessories

5.  Support – Product Safety and Support

Arbin has thousands of systems running in over 50 countries around the world.

Arbin Instruments

High Precision Battery Test Equipment
762 Peach Creek Cut Off Rd.
College Station, TX 77845 USA
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