Question: Is the MAX17055 Fuel Gauge IC suitable for Lithium Carbon Monofluoride batteries?
Answer: Yes, but since this type of battery operate as primary cells there are caveats and certain steps needed to follow for the application to work as intended.
Refer to article which also applies to MAX17055: How to Use The MAX17201/MAX17211 and MAX17205/MAX17215 to Fuel-Gauge Primary Cell Batteries | Analog Devices