How to achieve unidirectional conduction circuit with high current using MOSFETs?

I've built an H-bridge circuit with four MOSFETs to drive a DC motor. The current issue is that when the power is turned off, external forces rotating the motor cause the generated electricity to flow back into the main circuit VBAT.

Question: Is there a suitable method to solve this problem?

Doubts about the application of MOSFET RC circuits

In the output stage of the power amplifier (push-pull output), the RC circuit is mainly used to reduce the voltage impact on the MOSFETs.

An LC filter on the output of the Class-D amplifier can be used to attenuate the ringing, reducing radiated emissions. However, this does not reduce the voltage stress on the power MOSFETs.

Question: If that's the case, shouldn't the recommended circuit topology for the power amplifier chip include the RC circuit (3.3Ω+10nF) before the LC circuit (at the green arrow)? Why is it connected after the LC circuit, close to the load speaker's ground?

【Last Issue's Question Answer】

1. Q2 and Q4 in the diagram cannot conduct. The conduction of an NMOS depends mainly on the gate-source voltage or gate-drain voltage difference. As there is a 10K resistor below the source in the diagram, the NMOS is essentially unable to conduct.

2. NMOS is an N-channel device and can conduct in both directions as long as there is a sufficient voltage difference between the gate and the other two terminals.