Page 18 - Shimadzu Journal vol.10 Issue1

Materials Science

Measurement of Electrolyte Solutions

for Lithium-Ion Secondary Batteries with

IRSpirit Glove Box System

Shoko Iwasaki
Solutions COE, Analytical & Measuring Instruments Division, Shimadzu Corporation

User Benefits required). Communication is established via a wireless converter
• IRSpirit can be controlled via wireless communication. and a wireless router. Fig. 1 shows the schematic diagram of
• Installing the IRSpirit in a glove box enables sample measurements in an IRSpirit glove box system.
environment purged with inert gas.
• Anaerobic samples such as cell components of lithium-ion secondary Fig. 2 shows an example of a system where IRSpirit is installed
batteries can be analyzed with FTIR. in a flow-type glove box (Glovebox Japan, GBJA100). With this
system, FTIR analysis can be conducted under an atmosphere of
argon, nitrogen, etc.
Introduction Fig. 3 shows the inside of the glove box. In the glove box, the
IRSpirit unit, a wireless converter, and if necessary, a cooler (fan)
When cell components of lithium-ion secondary batteries are af- and a mouse for controlling the PC are installed. The PC is placed
fected by water vapor and oxygen in the atmosphere, the battery outside the glove box, and analysis is performed via wireless com-
characteristics are significantly affected. It is therefore desirable to munication between the IRSpirit and PC.
handle and characterize the cell components under an atmosphere
not affected by water vapor or oxygen.
The IRSpirit, a compact FTIR, can be installed in a glove box,
thus enabling the evaluation of cell components in a high purity Glove box
argon atmosphere with low dew point and low oxygen concentration.
This article introduces an example of the measurement of orga nic Cooler
electrolyte solutions, commonly used in lithium-ion secondary batteries. Wireless
router
IRSpirit Wireless
converter
PC
Argon/Nitrogen atmosphere
IRSpirit Glove Box System
Fig. 1 Schematic Diagram of IRSpirit Glove Box System (Cooler installed as
necessary)
Since IRSpirit can be controlled wirelessly, sample can be meas-
ured while the FTIR unit is installed in a glove box (custom order

Shimadzu Journal vol.10 Issue1 17